A study of the clinical and etiological profile of patients presenting with Congenital Heart Diseases. International Journal of Biomedical Research, [S. l.], v. 9, n. 1, p. 57–62, 2018. DOI: 10.7439/ijbr.v9i1.4601. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/4601. Acesso em: 16 feb. 2026.