Cancer Research and Treatment

Original Articles

Gastrointestinal cancer

Differential Perspectives by Specialty on Oligometastatic Colorectal Cancer: A Korean Oligometastasis Working Group’s Comparative Survey Study: Won Kyung Cho, Gyu Sang Yoo, Chai Hong Rim, Jae-Uk Jeong, Eui Kyu Chie, Yong Chan Ahn, Hyeon-Min Cho, Jun Won Um, Yang-Gun Suh, Ah Ram Chang, Jong Hoon Lee, On behalf of the Oligometastasis Working Group, Korean Cancer Association; Cancer Res Treat. 2023;55(4):1281-1290. Published online June 7, 2023; DOI: https://doi.org/10.4143/crt.2023.479

Purpose
Despite numerous studies on the optimal treatments for oligometastatic disease (OMD), there is no established interdisciplinary consensus on its diagnosis or classification. This survey-based study aimed to analyze the differential opinions of colorectal surgeons and radiation oncologists regarding the definition and treatment of OMD from the colorectal primary.
Materials and Methods
A total of 141 participants were included in this study, consisting of 63 radiation oncologists (44.7%) and 78 colorectal surgeons (55.3%). The survey consisted of 19 questions related to OMD, and the responses were analyzed using the chi-square test to determine statistical differences between the specialties.
Results
The radiation oncologists chose “bone” more frequently compared to the colorectal surgeons (19.2% vs. 36.5%, p=0.022), while colorectal surgeons favored “peritoneal seeding” (26.9% vs. 9.5%, p=0.009). Regarding the number of metastatic tumors, 48.3% of colorectal surgeons responded that “irrelevant, if all metastatic lesions are amendable to local therapy”, while only 21.8% of radiation oncologist chose same answer. When asked about molecular diagnosis, most surgeons (74.8%) said it was important, but only 35.8% of radiation oncologists agreed.
Conclusion
This study demonstrates that although radiation oncologists and colorectal surgeons agreed on a majority of aspects such as diagnostic imaging, biomarker, systemic therapy, and optimal timing of OMD, they also had quite different perspectives on several aspects of OMD. Understanding these differences is crucial to achieving multidisciplinary consensus on the definition and optimal management of OMD.

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Barriers in Oligometastasis Care in Korea: Radiation Oncologists’ Perspectives
Eui Kyu Chie, Chai Hong Rim, Won Kyung Cho, Yong Chan Ahn
Cancer Research and Treatment.2023; 55(4): 1063. CrossRef

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General

Perspectives on Professional Burnout and Occupational Stress among Medical Oncologists: A Cross-sectional Survey by Korean Society for Medical Oncology (KSMO): Yun-Gyoo Lee, Chi Hoon Maeng, Do Yeun Kim, Bong-Seog Kim; Cancer Res Treat. 2020;52(4):1002-1009. Published online July 10, 2020; DOI: https://doi.org/10.4143/crt.2020.190

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Purpose
This study aimed to investigate the prevalence and risk factors of burnout and occupational stress among medical oncologists in Korea.
Methods
A survey was conducted of medical oncologists who were members of Korean Society for Medical Oncology (KSMO) using the Korean Occupational Stress Scale, the validated Maslach Burnout Inventory (MBI) and supplemental questions about work and lifestyle factors.
Results
Among 220 active KSMO members, 111 responses were collected. The median age was 42 years (range, 32 to 63 years). Two-thirds of responders worked 6 days per week and half of them worked a total of 60-80 hours per week. Each medical oncologist treated a median of 90-120 patients per week in outpatient clinics and 20-30 patients per week in patient practices. MBI subscales indicated a high level of emotional exhaustion in 74%, a high level of depersonalization in 86%, and a low level of personal accomplishment in 65%: 68% had professional burnout according to high emotional exhaustion and high depersonalization scores. The risk of burnout was higher for medical oncologists aged from 30-39 than 40-49 years, and unmarried than married. Considering personal accomplishment, females had a higher risk of burnout. The median score of occupational stress was 63 (range, 43 to 88). Having night-duty call was the strongest risk factor on more stress. A higher stress score was associated with a higher prevalence of burnout.
Conclusion
Burnout and occupational stress are quite common amongst Korean medical oncologists. Achieving a healthy work-life balance, ensuring balanced workload distribution, and engaging in proper stress relief solutions are necessary.

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Job stress and burnout affecting the mental health of Korean medical faculty members: constructing causality among latent variables
Ji-Hyun Seo, Hwa-ok Bae
Korean Journal of Medical Education.2024; 36(1): 27. CrossRef
Pilotstudie zu beruflicher Gratifikation und Gesundheit
I. Böckelmann, I. Zavgorodnii, O. Litovchenko, M. Krasnoselskyi, B. Thielmann
Zentralblatt für Arbeitsmedizin, Arbeitsschutz und Ergonomie.2024; 74(3): 118. CrossRef
Associations among the workplace violence, burnout, depressive symptoms, suicidality, and turnover intention in training physicians: a network analysis of nationwide survey
Je-Yeon Yun, Sun Jung Myung, Kyung Sik Kim
Scientific Reports.2023;[Epub] CrossRef
Work-Related Stress, Health Status, and Status of Health Apps Use in Korean Adult Workers
Won Ju Hwang, Minjeong Kim
International Journal of Environmental Research and Public Health.2022; 19(6): 3197. CrossRef

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Experiences and Opinions Related to End-of-Life Discussion: From Oncologists' and Resident Physicians' Perspectives: Su-Jin Koh, Shinmi Kim, JinShil Kim, Bhumsuk Keam, Dae Seog Heo, Kyung Hee Lee, Bong-Seog Kim, Jee Hyun Kim, Hye Jung Chang, Sun Kyung Baek; Cancer Res Treat. 2018;50(2):614-623. Published online July 3, 2017; DOI: https://doi.org/10.4143/crt.2016.446

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Purpose
The aims of this study were to explore how oncologists and resident physicians practice end-of-life (EOL) discussions and to solicit their opinions on EOL discussions as a means to improve the quality of EOL care.
Materials and Methods
A survey questionnaire was developed to explore the experiences and opinions about EOL discussions among oncologists and residents. Descriptive statistics, the t test, and the chisquare test were performed for the analyses.
Results
A total of 147 oncologists and 229 residents participated in this study. The study respondents reported diverse definitions of “terminal state,” and mostrespondents tried to disclose the patient’s condition to the patient and/or family members. Both groups were involved in EOL care discussions, with a rather low satisfaction level (57.82/100). The best timing to initiate discussionwas consideredwhen metastasis or disease recurrence occurred orwhen withdrawal of chemotherapy was anticipated. Furthermore, the study respondents suggested that patients and their family members should be included in the EOL discussion. Medical, legal, and ethical knowledge and communication difficulties along with practical issues were revealed as barriers and facilitators for EOL discussion.
Conclusion
This study explored various perspectives of oncologists and resident physicians for EOL discussion. Since the Life-Sustaining-Treatment Decision-Making Act will be implemented shortly in Korea, now is the time for oncologists and residents to prepare themselves by acquiring legal knowledge and communication skills. To achieve this, education, training, and clinical tools for healthcare professionals are required.

Citations

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Physicians are over optimistic in recognizing inpatients’ survival and palliative care needs: a large-scale multi-center study in Taiwan
C -M Huang, S -J Huang, T -Y Wu, Y -C Chen, S -H Hsiao, D Chu
QJM: An International Journal of Medicine.2024; 117(3): 195. CrossRef
The quality of dying and death of patients with cancer from Shanghai in China from the perspective of healthcare providers: A cross-sectional study
Jiawei Min, Peihao Liu, Kaifeng Xiao, Zhe Huang, Xiaobin Lai
International Journal of Nursing Sciences.2024; 11(2): 179. CrossRef
Issues and implications of the life-sustaining treatment decision act: comparing the data from the survey and clinical data of inpatients at the end-of-life process
Eunjeong Song, Dongsoon Shin, Jooseon Lee, Seonyoung Yun, Minjeong Eom, Suhee Oh, Heejung Lee, Jiwan Lee, Rhayun Song
BMC Medical Ethics.2024;[Epub] CrossRef
Experience and perspectives of end-of-life care discussion and physician orders for life-sustaining treatment of Korea (POLST-K): a cross-sectional study
Hyeon-Su Im, Insook Lee, Shinmi Kim, Jong Soo Lee, Ju-Hee Kim, Jae Young Moon, Byung Kyu Park, Kyung Hee Lee, Myung Ah Lee, Sanghoon Han, Yoonki Hong, Hyeyeoung Kim, Jaekyung Cheon, Su-Jin Koh
BMC Medical Ethics.2023;[Epub] CrossRef
Barriers and facilitators that hospital clinicians perceive to discuss the personal values, wishes, and needs of patients in palliative care: a mixed-methods systematic review
Sita de Vries, Mary-Joanne Verhoef, Sigrid Cornelia Johanna Maria Vervoort, Yvette Milene van der Linden, Saskia Cornelia Constantia Maria Teunissen, Everlien de Graaf
Palliative Care and Social Practice.2023;[Epub] CrossRef
Association Among End-Of-Life Discussions, Cancer Patients’ Quality of Life at End of Life, and Bereaved Families’ Mental Health
Yoko Hayashi, Kazuki Sato, Masahiro Ogawa, Yoshiro Taguchi, Hisashi Wakayama, Aya Nishioka, Chikako Nakamura, Kaoru Murota, Ayumi Sugimura, Shoko Ando
American Journal of Hospice and Palliative Medicine®.2022; 39(9): 1071. CrossRef
Difficulties Facing Junior Physicians and Solutions Toward Delivering End-of-Life Care for Patients with Cancer: A Nationwide Survey in Japan
Soichiro Okamoto, Yu Uneno, Natsuki Kawashima, Shunsuke Oyamada, Yusuke Hiratsuka, Keita Tagami, Manabu Muto, Tatsuya Morita
Palliative Medicine Reports.2022; 3(1): 255. CrossRef
The silent transition from curative to palliative treatment: a qualitative study about cancer patients’ perceptions of end-of-life discussions with oncologists
A. Kitta, A. Hagin, M. Unseld, F. Adamidis, T. Diendorfer, E. K. Masel, K. Kirchheiner
Supportive Care in Cancer.2021; 29(5): 2405. CrossRef
Advance Care Planning in Asia: A Systematic Narrative Review of Healthcare Professionals’ Knowledge, Attitude, and Experience
Diah Martina, Cheng-Pei Lin, Martina S. Kristanti, Wichor M. Bramer, Masanori Mori, Ida J. Korfage, Agnes van der Heide, Carin C.D. van der Rijt, Judith A.C. Rietjens
Journal of the American Medical Directors Association.2021; 22(2): 349.e1. CrossRef
Difficulties Doctors Experience during Life-Sustaining Treatment Discussion after Enactment of the Life-Sustaining Treatment Decisions Act: A Cross-Sectional Study
Shin Hye Yoo, Wonho Choi, Yejin Kim, Min Sun Kim, Hye Yoon Park, Bhumsuk Keam, Dae Seog Heo
Cancer Research and Treatment.2021; 53(2): 584. CrossRef
Changes in decision-making process for life-sustaining treatment in patients with advanced cancer after the life-sustaining treatment decisions-making act
Hyeyeong Kim, Hyeon-Su Im, Kyong Og Lee, Young Joo Min, Jae-Cheol Jo, Yunsuk Choi, Yoo Jin Lee, Daseul Kang, Changyoung Kim, Su-Jin Koh, Jaekyung Cheon
BMC Palliative Care.2021;[Epub] CrossRef
Act on Decisions on Life-Sustaining Treatment and Timing of Referral to Hospice
Han-na Ju, Seung Hun Lee, Yun-Jin Kim, Sang-Yeoup Lee, Jeong-Gyu Lee, Yu-Hyeon Yi, Young-Hye Cho, Young-Jin Tak, Hye-Rim Hwang, Eun-Ju Park, Young-In Lee
Korean Journal of Family Practice.2021; 11(5): 331. CrossRef
Nature of Discussions about Systemic Therapy Discontinuation or Hospice among Patients, Families, and Palliative Care Clinicians during Care for Incurable Cancer: A Qualitative Study
Lara Traeger, Chelsea Rapoport, Emily Wright, Areej El-Jawahri, Joseph A. Greer, Elyse R. Park, Vicki A. Jackson, Jennifer S. Temel
Journal of Palliative Medicine.2020; 23(4): 542. CrossRef
Implication of the Life-Sustaining Treatment Decisions Act on End-of-Life Care for Korean Terminal Patients
Jung Sun Kim, Shin Hye Yoo, Wonho Choi, Yejin Kim, Jinui Hong, Min Sun Kim, Hye Yoon Park, Bhumsuk Keam, Dae Seog Heo
Cancer Research and Treatment.2020; 52(3): 917. CrossRef
Advance care planning in Asian culture
Shao-Yi Cheng, Cheng-Pei Lin, Helen Yue-lai Chan, Diah Martina, Masanori Mori, Sun-Hyun Kim, Raymond Ng
Japanese Journal of Clinical Oncology.2020; 50(9): 976. CrossRef
Differences in perspectives of pediatricians on advance care planning: a cross-sectional survey
In Gyu Song, Sung Han Kang, Min Sun Kim, Cho Hee Kim, Yi Ji Moon, Jung Lee
BMC Palliative Care.2020;[Epub] CrossRef
Feasibility of a team based prognosis and treatment goal discussion (T-PAT) with women diagnosed with advanced breast cancer
Mary M. Step, Gretchen A. Ferber, Catherine Downs-Holmes, Paula Silverman
Patient Education and Counseling.2019; 102(1): 77. CrossRef
Attitudes of the General Public, Cancer Patients, Family Caregivers, and Physicians Toward Advance Care Planning: A Nationwide Survey Before the Enforcement of the Life-Sustaining Treatment Decision-Making Act
Hye Yoon Park, Young Ae Kim, Jin-Ah Sim, Jihye Lee, Hyewon Ryu, Jung Lim Lee, Chi Hoon Maeng, Jung Hye Kwon, Yu Jung Kim, Eun Mi Nam, Hyun-Jeong Shim, Eun-Kee Song, Kyung Hae Jung, Eun Joo Kang, Jung Hun Kang, Young Ho Yun
Journal of Pain and Symptom Management.2019; 57(4): 774. CrossRef
Family-clinician communication in the ICU and its relationship to psychological distress of family members: A cross-sectional study
Minjeong Jo, Mi-Kyung Song, George J. Knafl, Linda Beeber, Yang-Sook Yoo, Marcia Van Riper
International Journal of Nursing Studies.2019; 95: 34. CrossRef
Implementation of Antimicrobial Stewardship Programs in End-of-Life Care
Ki Tae Kwon
Infection & Chemotherapy.2019; 51(2): 89. CrossRef
Facilitators and Barriers to Oncologists’ Conduct of Goals of Care Conversations
Dena Schulman-Green, Jenny J. Lin, Cardinale B. Smith, Shelli Feder, Nina A. Bickell
Journal of Palliative Care.2018; 33(3): 143. CrossRef
Clinical characteristics and survival outcomes of terminally ill patients undergoing withdrawal of mechanical ventilation
Yu-Shin Hung, Shu-Hui Lee, Chia-Yen Hung, Chao-Hui Wang, Chen-Yi Kao, Hung-Ming Wang, Wen-Chi Chou
Journal of the Formosan Medical Association.2017;[Epub] CrossRef

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Oncologists’ Experience with Patients with Second Primary Cancer and the Attitudes toward Second Primary Cancer Screening: A Nationwide Survey: Dong Wook Shin, Juhee Cho, Hyung Kook Yang, So Young Kim, Boram Park, BeLong Cho, Hyung Jin Kim, Young Jun Lee, Deog-Yeon Jo, Jong Hyock Park; Cancer Res Treat. 2015;47(4):600-606. Published online February 12, 2015; DOI: https://doi.org/10.4143/crt.2014.162

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Purpose
Screening for second primary cancer (SPC) is one of the key components to survivorship care. We aim to evaluate the oncologists’ experience with SPCs and assess the current practice, perceived barriers, and recommendations related to SPC screening. Materials and Methods A nationwide survey was conducted with a representative sample of 496 Korean oncologists. A questionnaire based on the findings from our previous qualitative study was administered. Results More than three-fourths of oncologists (76.3%), who participated in the study, had experience with SPC patients. Over half of them (51.9%) stated that it was an embarrassing experience. While the current management practice for SPC varies, most oncologists (80.2%) agreed on the necessity in proactively providing information on SPC screening. A short consultation time (52.3%), lack of guidelines and evidence on SPC screening (47.7%), and patients’ lack of knowledge about SPCs (45.1%) or SPC screening (41.4%) were most frequently reported as barriers to providing appropriate care for managing SPC. Oncologists recommended the development of specific screening programs or guidelines in accordance to the type of primary cancer (65.9%), the development of an internal system for SPC screening within the hospital (59.7%) or systematic connection with the national cancer screening program (44.3%), and education of oncologists (41.4%) as well as patients (48.9%) regarding SPC screening. Conclusion Many oncologists reported the occurrence of SPC as an embarrassing experience. Given the variations in current practice and the lack of consensus, further studies are warranted to develop the optimal clinical strategy to provide SPC screening for cancer survivors.

Citations

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Cardiovascular risk and undertreatment of dyslipidemia in lung cancer survivors: A nationwide population-based study
In Young Cho, Kyungdo Han, Dong Wook Shin, Sang Hyun Park, Dong Woog Yoon, Sujeong Shin, Su-Min Jeong, Jong Ho Cho
Current Problems in Cancer.2021; 45(1): 100615. CrossRef
Developing an instrument to assess cancer patient preparedness for transition to survivorship care in Korea
Jung‐won Lim
Asian Social Work and Policy Review.2020; 14(3): 172. CrossRef
Second Primary Cancer after Treating Gastrointestinal Cancer
Jeong Youp Park
The Korean Journal of Gastroenterology.2019; 74(4): 193. CrossRef
A national survey of lung cancer specialists’ views on low-dose CT screening for lung cancer in Korea
Dong Wook Shin, Sohyun Chun, Young Il Kim, Seung Joon Kim, Jung Soo Kim, SeMin Chong, Young Sik Park, Sang-Yun Song, Jin Han Lee, Hee Kyung Ahn, Eun Young Kim, Sei Hoon Yang, Myoung Kyu Lee, Deog Gon Cho, Tae Won Jang, Ji Woong Son, Jeong-Seon Ryu, Moon-J
PLOS ONE.2018; 13(2): e0192626. CrossRef
The Dyadic Effects of Family Cohesion and Communication on Health-Related Quality of Life: The Moderating Role of Sex
Jung-won Lim, En-jung Shon
Cancer Nursing.2018; 41(2): 156. CrossRef
Physicians’ attitudes towards the media and peer-review selection of the ‘best cancer doctor’: comparison of two different selection methods
Dong Wook Shin, Juhee Cho, Hyung Kook Yang, So Young Kim, Soohyeon Lee, Eun Joo Nam, Joo Seop Chung, Jeong-Soo Im, Keeho Park, Jong Hyock Park
BMJ Open.2018; 8(5): e019067. CrossRef

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Oncologist Perspectives on Rare Cancer Care: A Nationwide Survey: Dong Wook Shin, Juhee Cho, Hyung Kook Yang, So Young Kim, Su Hyun Lee, Beomseok Suh, Hee-Young Shin, Hyun Joo Lee, Dae Ghon Kim, Jong Hyock Park; Cancer Res Treat. 2015;47(4):591-599. Published online January 5, 2015; DOI: https://doi.org/10.4143/crt.2014.086

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Purpose
In response to the challenges and difficulties imposed by rare cancers, multi-stakeholder initiatives dedicated to improving rare cancer care was launched, and several recommendations were made by professional societies. However, these primarily reflect the view of the advocates and supporters, and may not represent the views of the “average” clinician or researcher. In this study, we sought to investigate perceived difficulties with regard to rare cancer care and potential solutions endorsed by oncologists.
Materials and Methods
A representative sample of 420 oncologists recruited in 13 cancer centers participated in a nationwide survey.
Results
Oncologists faced various difficulties in treatment of patients with rare cancers, including the lack of clinical practice guidelines (65.7%) and personal experience (65.2%), lack of approved treatment options (39.8%), and reimbursement issues (44.5%). They were generally supportive of recent recommendations by multi-stakeholder initiatives as well as professional societies for development of clear clinical practice guidelines (66.0%), flexible reimbursement guidelines (52.9%), and a national rare cancer registry (47.4%). However, there was only moderate endorsement for referrals to high-volume centers (35.5%) and encouragement of off-label treatments (21.0%).
Conclusion
Insights into the general attitudes of oncologists gained through our nationwide survey of representative samples would be helpful in development of clinical practices and public health policies in rare cancer treatment and research.

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Choreographed expansion of services results in decreased patient burden without compromise of outcomes: An assessment of the Ontario experience
Kathryn Rzadki, Wafa Baqri, Olga Yermakhanova, Steven Habbous, Sunit Das
Neuro-Oncology Practice.2024; 11(2): 178. CrossRef
Primary Small Cell Carcinoma of the Kidney: Disease Characteristics and Treatment Outcomes
Thomas F. Monaghan, Kyle P. Michelson, Nicholas R. Suss, Christina W. Agudelo, Syed N. Rahman, Dennis J. Robins, Viktor X. Flores, Brian K. McNeil, Jeffrey P. Weiss, Andrew G. Winer
Medicines.2021; 8(1): 6. CrossRef
Rare cancers in India: A road less travelled
HS Darling, Sameer Rastogi
Indian Journal of Cancer.2020; 57(2): 139. CrossRef
Cancer Patients’ Utilization of Tertiary Hospitals in Seoul Before and After the Benefit Expansion Policy
Sanghyun Cho, Youngs Chang, Yoon Kim
Journal of Preventive Medicine and Public Health.2019; 52(1): 41. CrossRef
Physicians’ attitudes towards the media and peer-review selection of the ‘best cancer doctor’: comparison of two different selection methods
Dong Wook Shin, Juhee Cho, Hyung Kook Yang, So Young Kim, Soohyeon Lee, Eun Joo Nam, Joo Seop Chung, Jeong-Soo Im, Keeho Park, Jong Hyock Park
BMJ Open.2018; 8(5): e019067. CrossRef
Rare cancers—Rarity as a cost and value argument
J.-Matthias Graf von der Schulenburg, Frédéric Pauer
Journal of Cancer Policy.2017; 11: 54. CrossRef
Burden and centralised treatment in Europe of rare tumours: results of RARECAREnet—a population-based study
Gemma Gatta, Riccardo Capocaccia, Laura Botta, Sandra Mallone, Roberta De Angelis, Eva Ardanaz, Harry Comber, Nadya Dimitrova, Maarit K Leinonen, Sabine Siesling, Jan M van der Zwan, Liesbet Van Eycken, Otto Visser, Maja P Žakelj, Lesley A Anderson, Franc
The Lancet Oncology.2017; 18(8): 1022. CrossRef

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Discrepant Views of Korean Medical Oncologists and Cancer Patients on Complementary and Alternative Medicine: Do Yeun Kim, Bong-Seog Kim, Kyung Hee Lee, Myung Ah Lee, Young Seon Hong, Sang Won Shin, Soon Nam Lee; Cancer Res Treat. 2008;40(2):87-92. Published online June 30, 2008; DOI: https://doi.org/10.4143/crt.2008.40.2.87

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Purpose

This study was designed to evaluate the communication gap between Korean medical oncologists and cancer patients on complementary and alternative medicine (CAM).

Materials and Methods

Cross sectional studies utilized the responses of 59 medical oncologists and 211 patients. To understand the communication gap, perceived reasons and nondisclosure of CAM use, reactions of physicians to disclosure, and expectations for CAM were analyzed. Data were compared with use of the chi-squared test.

Results

Both medical oncologists and patients were in accord that CAM use would privde the patients with a feeling of hope. The medical oncologists believed more often than patients to attribute CAM use for control over medical care decisions, for the treatment of an incurable disease or as a nontoxic approach (p<0.05). Regarding reasons for nondisclosure, medical oncologists were more likely to think that physicians would not understand the use of CAM, discontinue treatment or disapprove of the use of CAM (p<0.0001). Patients attributed nondisclosure mainly to the lack of questioning about CAM. Medical oncologists were more likely to warn of the risks with CAM use and less likely to encourage the use of CAM than perceived by patients (p=0.01). Patients expected that CAM could cure disease, extend survival, relieve symptoms and improve the immune system or quality of life more often than medical oncologists (p<0.05).

Conclusion

Given the discrepant views of medical oncologists and patients on the use of CAM, medical oncologists should be aware of the discrepancies and attempt to resolve any differences.

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Wan-Qin Chong, Maria Jannet Mogro, Asrie Arsad, Bee-Choo Tai, Soo-Chin Lee
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Geliang Yang, Huiqing Zhang, Zheng Gan, Yifu Fan, Wei Gu, Changquan Ling
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Gudrun E. Klein, Corina Guethlin
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Yifu Fan, Huiqing Zhang, Geliang Yang, Cheng Wu, Yuyu Guo, Changquan Ling
European Journal of Integrative Medicine.2018; 19: 115. CrossRef
National survey of China's oncologists' knowledge, attitudes, and clinical practice patterns on complementary and alternative medicine
Geliang Yang, Richard Lee, Huiqing Zhang, Wei Gu, Peiying Yang, Changquan Ling
Oncotarget.2017; 8(8): 13440. CrossRef
Expected and perceived efficacy of complementary and alternative medicine: A comparison views of patients with cancer and oncologists
Sang Hyuck Kim, Dong Wook Shin, You-Seon Nam, So Young Kim, Hyung-kook Yang, Be Long Cho, Keeho Park, Heui-Sug Jo, Chang-Yeol Yim, Sin Kam, Jong-Hyock Park
Complementary Therapies in Medicine.2016; 28: 29. CrossRef
Survey of Policies and Guidelines on Antioxidant Use for Cancer Prevention, Treatment, and Survivorship in North American Cancer Centers
Gyeongyeon Hong, Jennifer White, Lihong Zhong, Linda E. Carlson
Integrative Cancer Therapies.2015; 14(4): 305. CrossRef
National Survey of US Oncologists' Knowledge, Attitudes, and Practice Patterns Regarding Herb and Supplement Use by Patients With Cancer
Richard T. Lee, Andrea Barbo, Gabriel Lopez, Amal Melhem-Bertrandt, Heather Lin, Olufunmilayo I. Olopade, Farr A. Curlin
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Amal Al-Omari, Mohammad Al-Qudimat, Amid Abu Hmaidan, Luna Zaru
Complementary Therapies in Clinical Practice.2013; 19(2): 70. CrossRef
Investigation into the Use of Complementary and Alternative Medicine and Factors Affecting Use in Korean Patients with Brain Tumors
Yong Soon Shin, Jeong A Lee, So Hyun Bae, Su Youn Lee, Min Kyeong Jang
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Complementary and alternative medicine use and assessment of quality of life in Korean breast cancer patients: a descriptive study
Eunyoung Kang, Eun Joo Yang, Sun-Mi Kim, Il Yong Chung, Sang Ah Han, Do-Hoon Ku, Soek-Jin Nam, Jung-Hyun Yang, Sung-Won Kim
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