Vertical Diplopia
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Binocular Vertical Diplopia
Mayo Clin Proc 73:55-66, Brazis,P.W.&Lee,A.G., 1998
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Front Neurol doi:10.3389/fneur.2018.0069, Gagliardi, D.,et al, 2018
Hippus, In System of Ophthalmology
(Ed) , Vol 12 Neuro-ophthalmology C. V. Mosby Company 1971, p 637., Duke-Elder,W.S., 1971