Demiaran Y, Yavuz Akman R, Kocaman B, Erol A. The Comparison of Analgesic Efficacy of Epidurally Given Tramadole and Morphine in Pediatric Urologic Operations . Ann Med Res [Internet]. 2021 May 25 [cited 2026 Sep. 16];10(2):0071-5. Available from: http://www.annalsmedres.org/index.php/aomr/article/view/2962