Prevalence and risk factors of retinopathy of prematurity in Africa: A systematic review and meta-analysis. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 48, n. 3, p. 114 – 127, 2021. DOI: 10.4314/njp. Disponível em: https://www.njpaediatrics.com/index.php/njp/article/view/11.. Acesso em: 7 jul. 2026.