title: Headache; with special reference to the excessive use of ergotamine tartrate and dihydroergotamine.
authors.forename: G A
authors.initials: GA
authors.lastname: PETERS
authors.forename: B T
authors.initials: BT
authors.lastname: HORTON
mesh_terms: D004087:Dihydroergotamine; D004874:Ergonovine; D004876:Ergot Alkaloids / Q000627:therapeutic use*; D004878:Ergotamine; D006261:Headache
chemical_list: D004876:Ergot Alkaloids; D004087:Dihydroergotamine; D004878:Ergotamine; D004874:Ergonovine