Estrogen receptor transcription and transactivation Estrogen receptor alpha and estrogen receptor beta: regulation by selective estrogen receptor modulators and importance in breast cancer
Breast Cancer Research. 2000;2(5): 
Characterizing Clinicopathologic Features of Estrogen Receptor-Positive/Progesterone Receptor-Negative Breast Cancers
Clinical Breast Cancer. 2022;22(7):e788-e797
Alterations and polymorphisms of the estrogen receptor gene in breast cancer
Breast Cancer. 1997;4(2):57-66
Estrogen independent gene expression defines clinically relevant subgroups of estrogen receptor positive breast cancer
BMC Cancer. 2014;14(1):
Estrogen receptor-β: why may it influence clinical outcome in estrogen receptor-α positive breast cancer?
Breast Cancer Research. 2007;9(3):
Profiling of gene expression regulated by 17β-estradiol and tamoxifen in estrogen receptor-positive and estrogen receptor-negative human breast cancer cell lines
Breast Cancer: Targets and Therapy. 2017;Volume 9:537-550
Identification of Insulin-Like Growth Factor-I Receptor (IGF-IR) Gene Promoter-Binding Proteins in Estrogen Receptor (ER)-Positive and ER-Depleted Breast Cancer Cells
Cancers. 2010;2(2):233-261
Characterization of estrogen receptor-low-positive breast cancer
Breast Cancer Research and Treatment. 2021;188(1):225-235
The origins of estrogen receptor alpha-positive and estrogen receptor alpha-negative human breast cancer
Breast Cancer Research. 2004;6(6):
Hypermethylation of the estrogen receptor alpha gene is not related to lack of receptor protein in human breast cancer
Breast Cancer. 1999;6(2):79-86