title: An ergot alkaloid preparation (hydergine) versus placebo for treatment of symptoms of cerebrovascular insufficiency: double-blind study.
mesh_terms: D000367:Age Factors; D000368:Aged; D002561:Cerebrovascular Disorders / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004877:Ergoloid Mesylates / Q000627:therapeutic use*; D006801:Humans; D002537:Intracranial Arteriosclerosis / Q000188:drug therapy; D010919:Placebos
chemical_list: D010919:Placebos; D004877:Ergoloid Mesylates