Muhammad Javed khan, Saira khan, and Rumman Khan. “PROPHYLACTIC LOW DOSE KETAMINE IN PREVENTING PERI-OPERATIVE SHIVERING DURING SPINAL ANESTHESIA IN ORTHOPEDIC PATIENTS”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 30, no. 7, July 2023, pp. 568-73, doi:10.53555/jptcp.v30i7.5096.