A 58-year-old man with Progressive Ptosis and Walking DifficultyNeurol 89:e1-e5, Kuo, P.,et al, 2017
Ocular Motor Manifestations of Brainstem & Cerebellar DysfunctionChap 9, p 104 Neuro-Ophthalmol ed J. L. Smith., Daroff,R.B., 1850