title: Clinical consideration influencing experimental design in drug trials for migraine headache therapy.
mesh_terms: D000700:Analgesics / Q000627:therapeutic use; D002110:Caffeine / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D004878:Ergotamine / Q000627:therapeutic use; D006801:Humans; D006993:Hypnotics and Sedatives / Q000627:therapeutic use; D008881:Migraine Disorders / Q000175:diagnosis / Q000188:drug therapy*; D010919:Placebos
chemical_list: D000700:Analgesics; D006993:Hypnotics and Sedatives; D010919:Placebos; D002110:Caffeine; D004878:Ergotamine