DULAL, S.; SAPKOTA, Y. D. Prevalence of blindness and visual impairment and its causes among people aged 50 years and above in Karnali Zone, Nepal. Nepalese Journal of Ophthalmology, [S. l.], v. 4, n. 2, p. 282–287, 2012. DOI: 10.3126/nepjoph.v4i2.6545. Disponível em: https://nepjol.info/index.php/NEPJOPH/article/view/6545. Acesso em: 6 oct. 2024.