Media type: E-Article Title: Tramadol for postoperative pain treatment in children Contributor: Schnabel, Alexander; Reichl, Sylvia U; Meyer-Frießem, Christine; Zahn, Peter K; Pogatzki-Zahn, Esther Published: Wiley, 2015 Published in: Cochrane Database of Systematic Reviews, 2019 (2015) 7 Language: English DOI: 10.1002/14651858.cd009574.pub2 ISSN: 1465-1858 Origination: Footnote: