Haq, Mazhar Ul, Saeed Bin Ayaz, Sajjad Qureshi, Habib ur Rehman, Abdullah ., and Hina Iftikhar. “Pethidine Versus Tramadol for Post-Anaesthetic Shivering Control in Patients Going Through Elective Surgery under Spinal Anaesthesia”. Pakistan Armed Forces Medical Journal 73, no. 2 (April 18, 2023): 431–34. Accessed April 19, 2024. https://pafmj.org/PAFMJ/article/view/8817.