Kumar, N., and A. Yadav. “Preterm Pre-Labor Rupture of Membranes and Perinatal Outcome: A Prospective Cohort Study”. Obs Gyne Review: Journal of Obstetric and Gynecology, Vol. 5, no. 3, Aug. 2019, pp. 169-75, doi:10.17511/joog.2019.i03.07.