Effects of systemically administered tramadol hydrochloride on random pattern skin flap survival in rats oleh Nadide Ors Yildirim, Elcin Kadan, Alperen Kutay Yildirim, Okan Ali Aksoy, Berk Alp Goksel, Gokhan Ozkan, Mehmet Burak Eskin, Vedat Yildirim