LAVANYA, S.; SEETHALAKSHMI, V. A two-year study of patterns and prevalence of congenital malformations. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 7, n. 1, p. 114–118, 2017. DOI: 10.18203/2320-1770.ijrcog20175545. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/4068. Acesso em: 11 nov. 2025.