Ferdousy, H., F. Sultana, M. K. Nahaer, M. M. M. Begum, and M. M. Begum. “Risk Factors and Maternal Outcome of Secondary Post Partum Haemorrhage in Rangpur Medical College Hospital. - A One Year Study”. Bangladesh Journal of Obstetrics & Gynaecology, Vol. 33, no. 2, July 2020, pp. 107-12, doi:10.3329/bjog.v33i2.43561.