Isolated Superior Oblique Palsies with Brainstem Lesions
Neurol 53:1126-1127, Thomke,F.&Ringel,K., 1999
Fourth Nerve Palsy:Historical Review and Study of 215 Inpatients
Neurol 43:2439-2443, Keane,J.R., 1993
Paralysis of Cranial Nerves III, IV & VI
Arch Ophthalmol 99:76-79, Rush,J.A.,et al, 1981