S. . Sohail, M. . Hussain, G. . Shahzad, A. A. . Sahito, S. . Memon, and A. . Jatoi, “The Diagnostic Accuracy of Ultrasound in Retained Products of Conception in Postpartum Period by Using Histopathology as the Gold Standard”, apmc, vol. 14, no. 3, pp. 277–280, Sep. 2020.