Vertical Diplopia
Semin Neurol 20:21-30, Acierno,M.D., 2000
Dysthyroid Orbitopathy
Semin Neurol 20:43-54, Jacobson,D.M., 2000
Binocular Vertical Diplopia
Mayo Clin Proc 73:55-66, Brazis,P.W.&Lee,A.G., 1998
Clinical Decisions in Neuro-Ophthalmology
CV Mosby:154-156, Burde,R.M.,et al, 1985