PATHIYIL, B.; VARADHAN, A.; VARADHAN, B. B. A study of correlation of foot length and new Ballard score in determining the gestational age of newborns. International Journal of Contemporary Pediatrics, [S. l.], v. 8, n. 10, p. 1713–1719, 2021. DOI: 10.18203/2349-3291.ijcp20213736. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/4487. Acesso em: 13 may. 2026.