T., L., R., P., Thakkar, N.A., Jawahar, L., Rajendran, P.K., E., G. and Rajan, S.V. 2019. 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. 8, 10 (Sep. 2019), 3884–3888. DOI:https://doi.org/10.18203/2320-1770.ijrcog20194347.