Cancer chemotherapy as it approaches middle age.
D000970:Antineoplastic Agents / Q000266:history*; D001943:Breast Neoplasms / Q000188:drug therapy; D004359:Drug Therapy, Combination; D049673:History, 20th Century; D006801:Humans; D009369:Neoplasms / Q000188:drug therapy* / Q000628:therapy; D012516:Osteosarcoma / Q000188:drug therapy; D012106:Research
D000970:Antineoplastic Agents