Muhammad Zia, Muhammad Muazzam Butt, Hafiz Muhammad Waseem Yaseen, Abdul Bary, Sahito Khan Rind, Rakhshinda Younus. Examine the Effects of Adding Low-Dose Ketomine to Tramadol in Order to Prevent Shivering During Spinal Anesthesia. Pakistan Journal of Medical & Health Sciences 2023, 17, 127.