“COMPARSION OF EFFECTIVENESS OF LOW-DOSE INTRAVENOUS KETAMINE (0.2 MG KG) WITH (0.5 MG KG) INTRAVENOUS TRAMADOL FOR THE PREVENTION OF POST- SPINAL ANESTHESIA SHIVERING”. 2025. The Research of Medical Science Review 3 (5): 1-10. http://thermsr.com/index.php/Journal/article/view/1059.