ARORA, R.; PUNIA, N.; KUMARI, A. Fetal colon diameter as a tool for estimating gestational age in advanced pregnancy in north Indian population: a pilot study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 5, n. 5, p. 1577–1581, 2017. DOI: 10.18203/2320-1770.ijrcog20161328. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/1156. Acesso em: 9 oct. 2025.