%0 Journal Article %T Comparison Effect of Local Subcutaneous Tramadol and Methadone in Post-laparotomy Pain Control %A Montazer, M. %A Hojjati, M. %A Mousavi Toomatari, S.E. %J Journal of Clinical Practice and Research %D 2021 %V 43 %P 43-46 %R 10.14744/etd.2020.53503