KUMAR, N.; DAS, V.; AGRAWAL, A.; PANDEY, A.; AGRAWAL, S. Association of serum placental growth factor and pregnancy associated plasma protein A between 11 to 14 weeks and pre-eclampsia. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 10, n. 5, p. 1925–1930, 2021. DOI: 10.18203/2320-1770.ijrcog20211513. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/9998. Acesso em: 14 oct. 2025.