T., L.; R., P.; THAKKAR, N. A.; JAWAHAR, L.; RAJENDRAN, P. K.; E., G.; RAJAN, S. V. The role of pregnancy-associated plasma protein-a level in the first trimester of pregnancy and clinical outcome in an urban referral centre. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 8, n. 10, p. 3884–3888, 2019. DOI: 10.18203/2320-1770.ijrcog20194347. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/6998. Acesso em: 4 dec. 2025.