Tamoxifen approved for premenopausal women with advanced breast cancer.
D000328:Adult; D001943:Breast Neoplasms / Q000188:drug therapy*; D002979:Climacteric; D004334:Drug Administration Schedule; D005260:Female; D006801:Humans; D008875:Middle Aged; D013629:Tamoxifen / Q000627:therapeutic use*
D013629:Tamoxifen