Ocular Myasthenia GravisJ Natl Med Assoc 85:681-684, March,G.A.&Johnson,J.N., 1993
Ocular Motor Manifestations of Brainstem & Cerebellar DysfunctionChap 9, p 104 Neuro-Ophthalmol ed J. L. Smith., Daroff,R.B., 1850