Comparison of Intravenous Ondansetron versus Intravenous Tramadol on Post-Spinal Shivering and Nausea/Vomiting in Cesarean Sections: Comparison of Intravenous Ondansetron versus Intravenous Tramadol. L&S. 2020;1(4):6. doi:10.37185/LnS.1.1.102