Investigating the Protective Effect of Theophylline Against Vancomycin-induced Nephrotoxicity: A Two-group, Single-blind Clinical Trial. - Keykhosravi, Aghil; Rahnamarahchamandi, Elahe; Navipour, Elham; Keykhosravi, Ali; Neamatshahi, Mahboubeh; Shobeiri, Saeideh Sadat (Journal of Pediatric Nephrology, 2025)