title: Diagnosis and treatment of headache disorders.
mesh_terms: D000700:Analgesics / Q000627:therapeutic use; D000701:Analgesics, Opioid / Q000627:therapeutic use; D003027:Cluster Headache / Q000175:diagnosis; D004878:Ergotamine / Q000627:therapeutic use; D006261:Headache / Q000175:diagnosis* / Q000188:drug therapy / Q000209:etiology; D006801:Humans; D008881:Migraine Disorders / Q000175:diagnosis
chemical_list: D000700:Analgesics; D000701:Analgesics, Opioid; D004878:Ergotamine