title: Eligibility and extrapolation in cancer clinical trials.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000009:adverse effects / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000188:drug therapy*; D002986:Clinical Trials as Topic / Q000379:methods*; D005260:Female; D006801:Humans; D008433:Mathematics; D008875:Middle Aged; D012107:Research Design