title: Cancer clinical trials. A rational basis for use of historical controls.
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D002986:Clinical Trials as Topic / Q000592:standards*; D004992:Ethics, Medical; D006801:Humans; D009369:Neoplasms / Q000188:drug therapy*; D012107:Research Design; D012494:Sampling Studies
chemical_list: D000970:Antineoplastic Agents