Comparative Efficacy of Low-Dose Ketamine Versus Midazolam Co-Induction on Hemodynamic Stability and Early Neurocognitive Recovery in Geriatric Anesthesia: A Randomized Double-Blind Pilot Trial. JACR 2026, 7 (1), 31-40. https://doi.org/10.37275/jacr.v7i1.960.