Mohi, M. K., Kaur, M., Kaur, G., & Kaur, S. P. (2018). Ultrasonographic evaluation of antenatal umbilical cord coiling index (aUCI) in second trimester of gestation and pregnancy outcome. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 7(11), 4623–4627. https://doi.org/10.18203/2320-1770.ijrcog20184519