I. M. G. A. Kumara, M. Rismawan, and I. W. A. Maharyawan, “Multiple Case Study: Cognitive Status in Pre-Elderly Patients Undergoing Transurethral Resection of Prostate (TURP) Procedure with Spinal Anesthesia”, IJGHR, vol. 6, no. S6, pp. 1495-1500, Dec. 2024.