Comparison of Total Intravenous Anesthesia (TIVA) Versus Spinal Anesthesia in Total Knee Arthroplasty (TKA). - Beg, Mirza Hamid; Buland, Khalid; Sharif, Muhammad Huzaifa; Irfan, Shahzada; Khan, Taimur Azam; Mateen, Osama Abdul (Pakistan Armed Forces Medical Journal, 2026)