KULKARNI, N.; BANSAL, R.; PAWAR, P. Serum Beta HCG and uterine artery Doppler studies in second trimester to predict preeclampsia and eclampsia. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 7, n. 5, p. 1924–1928, 2018. DOI: 10.18203/2320-1770.ijrcog20181930. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/4688. Acesso em: 26 oct. 2025.