VIRDI, S.; ADITI; KAUR, S. Variation of pregnancy-associated plasma protein-A: a level in the first trimester of pregnancy and its clinical outcome. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 15, n. 10, p. 3925–3930, 2026. DOI: 10.18203/2320-1770.ijrcog20263426. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/17378. Acesso em: 29 sep. 2026.