The bobble-head doll syndrome: a "tic" with a neuropathologic basis.
D002535:Cerebral Aqueduct / Q000473:pathology; D002648:Child; D003251:Constriction, Pathologic / Q000473:pathology; D006801:Humans; D006849:Hydrocephalus / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D008297:Male; D013577:Syndrome; D013981:Tic Disorders / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology