Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleVertical optokinetic nystagmus in Parkinson's disease.AuthorsKnapp, Christopher M.; Gottlob, Irene; McLean, Rebecca J.; Rajabally, Yusuf A.; Abbott, Richard J.; Rafelt, Suzanne; Proudlock, Frank A.PublicationMovement Disorders, 2009, Vol 24, Issue 10, p1533ISSN0885-3185Publication typeArticleDOI10.1002/mds.22634