title: Seminar on headache.
mesh_terms: D001567:Benzocycloheptenes / Q000627:therapeutic use; D003937:Diagnosis, Differential; D004878:Ergotamine / Q000627:therapeutic use; D006261:Headache / Q000145:classification / Q000150:complications / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D006801:Humans; D008784:Methysergide / Q000008:administration & dosage / Q000627:therapeutic use; D008881:Migraine Disorders / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology; D010146:Pain / Q000150:complications; D010880:Piperidines / Q000627:therapeutic use; D013876:Thiophenes / Q000627:therapeutic use
chemical_list: D001567:Benzocycloheptenes; D010880:Piperidines; D013876:Thiophenes; D004878:Ergotamine; D008784:Methysergide