WHITTIER, J R The graphic study of ballism and related hyperkinesia. [electronic resource] - Journal of neuropathology and experimental neurology Jul 1952 - 300-16 p. digital Publication Type: Journal Article ISSN: 0022-3069 Standard No.: 10.1097/00005072-195207000-00006 doi Subjects--Topical Terms: HyperkinesisMovement Disorders