Mughal, Irfan Ahmed, Liaqat Ali, Nasir Aziz, Khalid Mehmood, and Naila Afzal. “COLOUR VISION DEFICIENCY (CVD) IN MEDICAL STUDENTS”. Pakistan Journal of Physiology 9, no. 1 (June 30, 2013): 14–16. Accessed November 21, 2024. https://pjp.pps.org.pk/index.php/PJP/article/view/319.