title: Age, sex chromatin, and estrogen receptor status in women with breast cancer.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D001943:Breast Neoplasms / Q000235:genetics*; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D011960:Receptors, Estrogen / Q000032:analysis*; D012728:Sex Chromatin / Q000032:analysis
chemical_list: D011960:Receptors, Estrogen