title: Periodic vascular head pain; a discussion of the mechanism, clinical types and the roles of vasoconstricting and vasodilating drugs in the diagnosis and treatment.
authors.forename: E L
authors.initials: EL
authors.lastname: KEENEY
mesh_terms: D006261:Headache; D006801:Humans; D014653:Vascular Headaches; D014661:Vasoconstriction; D014662:Vasoconstrictor Agents; D014666:Vasomotor System / Q000187:drug effects*
chemical_list: D014662:Vasoconstrictor Agents