Sirpurkar, M., and V. P. Anjankar. “Study of Correlation Between Placental Morphology and Adverse Perinatal Outcome in Different Conditions Affecting Pregnancy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 4, no. 4, Feb. 2017, pp. 1165-8, doi:10.18203/2320-1770.ijrcog20150448.