Khan, Ali Sher, Syed Zafar Ali Shah, Syed Amjad Hussain, Muhammad Zafar, Taquayya S. Abidi, and Alaf Khan. 2011. “A Very Good Effort; Great Achievement; Pleasant Surprise; A Laudible Achievement; Research Articles”. Journal of Postgraduate Medical Institute 2 (1). https://jpmi.org.pk/index.php/jpmi/article/view/1174.