1.
Colak YZ, Ozgul U, Aslan DD, Cumurcu HB, Colak, C, Durmus M. The effects of sedation with propofol and propofol- ketamin combination on postoperative cognitive function in elderly patients undergoing spinal anesthesia. Ann Med Res . 2021;28(6):1201-1205. Accessed August 25, 2026. http://www.annalsmedres.org/index.php/aomr/article/view/3819