BANSIWAL, R.; RAO, R.; MISRA, N.; KAPUR, V. Bishop score and transvaginal ultrasound for preinduction cervical assessment: a randomized clinical trial. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 2, n. 4, p. 611–615, 2016. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/253. Acesso em: 9 oct. 2025.