title: Improving the efficiency of clinical trials: a medical perspective.
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use; D001699:Biometry; D002986:Clinical Trials as Topic / Q000379:methods*; D003131:Combined Modality Therapy; D004526:Efficiency; D006801:Humans; D009369:Neoplasms / Q000628:therapy*; D011897:Random Allocation
chemical_list: D000970:Antineoplastic Agents