1. Nystagmus and related ocular motility disorders;Leigh,1998
2. Periodic alternating nystagmus: first pathologically studied case;Towle;Neurology,1970
3. Periodic alternating nystagmus;Davis;Am J Ophthalmol,1971
4. Initial symptoms and mode of neurological progression in spinocerebellar ataxia type 6 (SCA 6) [in Japanese];Yabe;Clin Neurol (Tokyo),1998
5. Lithium-induced periodic alternating nystagmus;Lee;Neurology,2003