Zobia Jawad, Durriya Iram, Sadiya Butt, Afshan Riaz, Sadia Khan, Pareesae Humayun, “Burden of Placenta Previa as a Cause of Postpartum Hysterectomy at a Tertiary Care Hospital”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 04, p. 241, May 2022.