Obvious Congenital Malformations antis  in 22,899 Newborns in Ibadan. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 14, n. 2, p. 59–65, 2024. Disponível em: https://www.njpaediatrics.com/index.php/njp/article/view/872.. Acesso em: 20 dec. 2024.