Mansoor, Memoona, Ali Tayyab, Syed Shoaib Shah, and Rehmah Sarfraz. “Threshold Concepts Encountered by Second Year Medical Students in a Basic Health Science Module; A Qualitative Study”. Journal of the Pakistan Medical Association 72, no. 5 (May 10, 2022). Accessed April 30, 2026. https://jpma.org.pk/index.php/public_html/article/view/3348.