Demiaran, Yavuz, R. Yavuz Akman, Buket Kocaman, and Ali Erol. 2021. “The Comparison of Analgesic Efficacy of Epidurally Given Tramadole and Morphine in Pediatric Urologic Operations”. Annals of Medical Research 10 (2):0071-0075. http://annalsmedres.org/index.php/aomr/article/view/2962.