Killer HE, Flammer J, Wicki B, Laeng RH. Acute asymmetric upper nasal quandrantanopsia caused by a chiasmal colloid cyst in a patient with multiple sclerosis and bilateral retrobulbar neuritis. American journal of ophthalmology 2001;132:286-8....
Hanspeter E. Killer MD Josef Flammer MD Barbara Wicki MD and Rudolf H. Laeng MD.Acute asymmetric upper nasal quandrantanopsia caused by a chiasmal colloid cyst in a patient with multiple sclerosis and bilateral retrobulbar neuritis. American Journal of Ophthalmology . 2001...