PANDYA, M. J.; KOTDAWALA, P. J.; M. PANDYA, J. Study of duration of gestation in 500 patients with spontaneous onset of labor. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 6, n. 12, p. 5469–5471, 2017. DOI: 10.18203/2320-1770.ijrcog20175262. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/3814. Acesso em: 25 nov. 2025.