Abdul Sattar, Palvesha Amin, Tahmina Karim Bhatti, Aqeel Ahmad, Tayyab Ali, Abid Rafique Chaudhry 2022. Compare the Effect of Addition of Low Dose Ketamine to Tramadol for the Prevention of Shivering Under Spinal Anesthesia. Pakistan Journal of Medical & Health Sciences. 16, 02 (Apr. 2022), 1188. DOI:https://doi.org/10.53350/pjmhs221621188.