Protective Role of Amlodipine Against Cyclophosphamide- and Acetaminophen-Induced Nephrotoxicity: Modulation of Gamma-Glutamyl Transpeptidase and Oxidative Stress Pathways in Rats. SUJMHS. 2026;20(2):517-529. doi:10.59628/sujmhs.v20i2.2755