Shaikh, N. B., F. Naz, F. Shaikh, S. Begum, S. Shaikh, and S. Shaikh. “Previous Caesarean Section, Subsequent Placenta Previa and Its Outcome”. Annals of Punjab Medical College, Vol. 14, no. 3, Sept. 2020, pp. 272-6, doi:10.29054/apmc/2020.712.