Haque, Abdul, Shua Nasir, Haris Jameel, Muhammad Absar Anwar, Saqib Basar, and Ahmed Ali. “The Assessment of Postoperative Levels of Pain With Reference to Validated Protocols at a Hospital in Karachi Pakistan”. Annals of Punjab Medical College 10, no. 2 (April 28, 2016): 67-70. Accessed July 3, 2024. https://apmcfmu.com/index.php/apmc/article/view/288.