SHANKARAPPA, V. K.; NATARAJAN, P.; NATARAJAN, M. Comparison of PGE2 gel alone versus sequential use of Foley’s catheter and PGE2 gel in the ripening of unfavorable cervix: a retrospective study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 10, n. 1, p. 127–131, 2020. DOI: 10.18203/2320-1770.ijrcog20205413. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/9528. Acesso em: 4 dec. 2025.