Periodic vascular head pain; a discussion of the mechanism, clinical types and the roles of vasoconstricting and vasodilating drugs in the diagnosis and treatment.
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D006261:Headache; D006801:Humans; D014653:Vascular Headaches; D014661:Vasoconstriction; D014662:Vasoconstrictor Agents; D014666:Vasomotor System / Q000187:drug effects*
D014662:Vasoconstrictor Agents