NATHANSON, M Convergence nystagmus and paralysis of vertical gaze following balloon-made lesion for parkinsonism. Sequence of events during recovery. [electronic resource] - Transactions of the American Neurological Association 1962 - 227-8 p. digital Publication Type: Journal Article ISSN: 0065-9479 Subjects--Topical Terms: DiplopiaHumansNystagmus, PathologicOphthalmoplegiaParalysisParkinson DiseaseParkinsonian Disorders