Gautam, Savita S., Manmeet Kaur, Naimaa K. Chaudhary, and Asha Sharma. 2018. “Evaluation of the Variations and Potential Clinical Use of Second Trimester Serum Markers for the Detection of Pre-Eclampsia”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7 (7):2904-8. https://doi.org/10.18203/2320-1770.ijrcog20182904.