Percy, A K Optic neuritis and multiple sclerosis. An epidemiologic study. [electronic resource] - Archives of ophthalmology (Chicago, Ill. : 1960) Feb 1972 - 135-9 p. digital Publication Type: Journal Article ISSN: 0003-9950 Standard No.: 10.1001/archopht.1972.01000020137004 doi Subjects--Topical Terms: AdolescentAdultAge FactorsFollow-Up StudiesHumansMinnesotaMultiple Sclerosis--complicationsOptic Neuritis--complicationsPrognosisScotoma--epidemiology