lakhe, Gajal, Krishna Adhikari, Kiran Khatri, Anil Maharjan, Akriti Bajracharya, and Himdip Khanal. 2017. “Prevention of Shivering During Spinal Anesthesia: Comparison Between Tramadol, Ketamine and Ondansetron”. Journal of Nepal Medical Association 56 (208), 395-400. https://doi.org/10.31729/jnma.3377.