title: Letter: Hazards of ergotamine tartrate.
mesh_terms: D004878:Ergotamine / Q000009:adverse effects*; D006261:Headache / Q000139:chemically induced*; D006801:Humans; D008881:Migraine Disorders / Q000188:drug therapy; D019966:Substance-Related Disorders
chemical_list: D004878:Ergotamine