Mitigating Post-Spinal Anesthesia Shivering by Exploring Intravenous Ketamine vs. Intravenous Tramadol and Comparison of the Optimal Dose of Ketamine: A Scoping Review of Cohort and Randomized Controlled Trials Studies - Sangi, Siavash; Mesbah Kiaei, Mehrdad; Aligholizadeh, Maryam; Babajani, Alireza; Akbarpour, Parisa; Sarkhosh, Maryam; Jalalkamali, Elnaz; Karimian, Zahra (Archives of Anesthesiology and Critical Care, 2024)