Yadava, P. A., Patel, R. R., & Mehta, A. S. (2019). Placenta previa: risk factors, feto-maternal outcome and complications. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 8(12), 4842–4846. https://doi.org/10.18203/2320-1770.ijrcog20195331