title: How it started.
authors.affiliation: Glaxo Institute of Applied Pharmacology, University of Cambridge, Cambridge, UK.
authors.forename: P P
authors.initials: PP
authors.lastname: Humphrey
mesh_terms: D004305:Dose-Response Relationship, Drug; D004878:Ergotamine / Q000627:therapeutic use*; D006801:Humans; D008881:Migraine Disorders / Q000188:drug therapy* / Q000209:etiology; D018170:Sumatriptan / Q000627:therapeutic use*; D014661:Vasoconstriction / Q000187:drug effects; D014662:Vasoconstrictor Agents / Q000627:therapeutic use*
chemical_list: D014662:Vasoconstrictor Agents; D018170:Sumatriptan; D004878:Ergotamine