M. A. Akhtar, “RATIONAL USE OF PAIN KILLERS – DO WE NEED SELECTIVE COX-II INHIBITORS? RATIONAL USE OF PAIN KILLERS”, Pak Armed Forces Med J, vol. 55, no. 4, pp. 270–272, Dec. 2005, Accessed: Jul. 19, 2025. [Online]. Available: https://pafmj.org/PAFMJ/article/view/1207