RAY, C.; RAY, A. Intrapartum cardiotocography and its correlation with umbilical cord blood pH in term pregnancies: a prospective study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 6, n. 7, p. 2745–2752, 2017. DOI: 10.18203/2320-1770.ijrcog20172555. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/2929. Acesso em: 18 nov. 2025.