Shompa, L., S. Akhter, K. Nazneen, and M. Begum. “Effect of Oxytocin Injection into Umbilical Vein for Management of Retained Placenta”. Journal of Enam Medical College, vol. 4, no. 2, July 2014, pp. 102-5, doi:10.3329/jemc.v4i2.19678.