[Experimental study on cerebral vasospasm--vasospasm of the circle of Willis].
D000818:Animals; D001488:Basilar Artery; D001769:Blood / Q000503:physiopathology; D002415:Cats; D002561:Cerebrovascular Disorders / Q000000981:diagnostic imaging / Q000209:etiology* / Q000503:physiopathology; D002941:Circle of Willis; D004285:Dogs; D004388:Dura Mater; D005260:Female; D008297:Male; D008722:Methods; D011859:Radiography; D012640:Seizures / Q000209:etiology; D013045:Species Specificity; D013345:Subarachnoid Hemorrhage / Q000503:physiopathology; D013997:Time Factors