Binocular Vertical Diplopia
Mayo Clin Proc 73:55-66, Brazis,P.W.&Lee,A.G., 1998
Vertical Diplopia
Semin Neurol 20:21-30, Acierno,M.D., 2000
Acquired Myasthenia Gravis
Neurol Clin 15:578, Massey,J.M., 1997
Clinical Decisions in Neuro-Ophthalmology
CV Mosby:154-156, Burde,R.M.,et al, 1985