title: Manifestations of cerebral arteriosclerosis unaffected by a vasodilator.
mesh_terms: D000368:Aged; D002986:Clinical Trials as Topic; D005260:Female; D006634:Histamine H1 Antagonists / Q000627:therapeutic use*; D006801:Humans; D002537:Intracranial Arteriosclerosis / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D010879:Piperazines / Q000627:therapeutic use*; D010919:Placebos
chemical_list: D006634:Histamine H1 Antagonists; D010879:Piperazines; D010919:Placebos