title: Changing patterns of breast cancer.
mesh_terms: D001943:Breast Neoplasms / Q000175:diagnosis* / Q000188:drug therapy / Q000601:surgery; D004359:Drug Therapy, Combination; D004967:Estrogens / Q000378:metabolism; D005260:Female; D006801:Humans; D013997:Time Factors
chemical_list: D004967:Estrogens
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