Marriam Naz, Muhammad Yousaf, Muhammad Qaiser Pervaiz, Amna Tariq, Umair Riaz Ahmad, Asma Mushtaq. Sonographic Assessment of Placenta Previa with and without History of Cesarean Section or Abortion. Pakistan Journal of Medical & Health Sciences [Internet]. 2022 Sep. 5 [cited 2024 Dec. 22];16(07):559. Available from: https://pjmhsonline.com/index.php/pjmhs/article/view/2201