The burden of blindness and visual impairment according to age and gender: A case study of Emohua local government area, Nigeria. Port Harcourt Medical Journal, [S. l.], v. 10, n. 2, p. 73–78, 2016. DOI: 10.60787/phmj.v10i2.34. Disponível em: https://phmj.org.ng/index.php/home/article/view/34. Acesso em: 22 dec. 2024.