Kalam, F., M. O. Faruq, and S. B. Chowdhury. “Maternal and Perinatal Mortality, Morbidity and Risk Factor Evaluation in Ante Partum Hemorrhage Associated With Placenta Praevia”. Bangladesh Critical Care Journal, vol. 1, no. 2, Dec. 2013, pp. 65-70, doi:10.3329/bccj.v1i2.17197.