RATHORE, N.; KHAJURIA, R.; JAGGI, R. β-hCG levels in second trimester as a predictor of gestational hypertension and preeclampsia. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 11, n. 2, p. 433–438, 2022. DOI: 10.18203/2320-1770.ijrcog20220013. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/11227. Acesso em: 13 oct. 2025.