Journal Article
Kyari, Fatima, Murthy VS Gudlavalleti, Selvaraj Sivsubramaniam, Clare E Gilbert, Mohammed M Abdull, Gabriel Entekume, and Allen Foster.
"Prevalence of blindness and visual impairment in Nigeria: The national blindness and visual impairment survey." Investigative ophthalmology & visual science 50, no. 5 (2009): 2033-2039.