The Ocular Manifestations of Multiple Sclerosis, 2, Abnormalities of Eye Movements
JNNP 55:863-868, Barnes,D.&McDonald,W.I., 1992
Isolated Trochlear Nerve Palsy in Patients with Multiple Sclerosis
Neurol 53:877-879, Jacobson,D.M.,et al, 1999
The Ocular Manifestations of Multiple Sclerosis 1, Abnormalities of the Afferent Visual System
JNNP 55:747-752, McDonald,W.I.&Barnes,D., 1992