Syed, W., N. Hayat, N. Liaqat, and S. Rafiq. “AN EXPERIENCE OF CHORIONIC VILLUS SAMPLING IN LADY READING HOSPITAL, PESHAWAR”. Journal of Postgraduate Medical Institute, vol. 34, no. 4, Mar. 2021, https://www.jpmi.org.pk/index.php/jpmi/article/view/2693.