Breast Cancer and Risk Factors Among African-American Women Aged 20-54: A Case-Control Study According to Estrogen Receptor
Abstract:
This is an exploratory case-control study that aims to examine whether risk factor profiles differ according to estrogen receptor ER status among African-American women. Since the initiation of the study in September 1997, tremendous efforts have been made to formulate the study procedures, contact doctors, identify and recruit study subjects, and make various preparations.
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