Ocular myasthenia gravis in Nigerians.
D000293:Adolescent; D001763:Blepharoptosis / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009157:Myasthenia Gravis / Q000453:epidemiology* / Q000628:therapy; D009549:Nigeria