MAHESHWARI, R.; VERMA, A.; GUPTA, A. Analysis of clinico-sonological parameters of women with preterm pregnancy with complaint of lower abdominal pain. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 11, n. 10, p. 2770–2774, 2022. DOI: 10.18203/2320-1770.ijrcog20222476. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/12137. Acesso em: 26 oct. 2025.