Isolated Superior Oblique Palsies with Brainstem Lesions
Neurol 53:1126-1127, Thomke,F.&Ringel,K., 1999
Binocular Vertical Diplopia
Mayo Clin Proc 73:55-66, Brazis,P.W.&Lee,A.G., 1998
Fourth Nerve Palsy:Historical Review and Study of 215 Inpatients
Neurol 43:2439-2443, Keane,J.R., 1993