title: Ergotamine induced headaches in migrainous patients.
mesh_terms: D000328:Adult; D000368:Aged; D004878:Ergotamine / Q000008:administration & dosage / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000188:drug therapy*; D013375:Substance Withdrawal Syndrome
chemical_list: D004878:Ergotamine