Binocular Vertical DiplopiaMayo Clin Proc 73:55-66, Brazis,P.W.&Lee,A.G., 1998
Vertical DiplopiaSemin Neurol 20:21-30, Acierno,M.D., 2000
Ocular Complications of Vincristine TherapyArch Ophthalmol 78:709, Albert,D.M.,et al, 1967