@article{article4b53c211, title = {Evaluation of the effects of methadone and tramadol on postoperative analgesia and serum interleukin-6 in dogs undergoing orthopaedic surgery}, author = {Cardozo, Larissa B and Cotes, Lourenço C and Kahvegian, Marcia A. P and Rizzo, Maria Fernanda C. I and Otsuki, Denise A and Ferrigno, Cassio Ricardo Auada and Fantoni, Denise Tabacchi}, year = {2014}, doi = {10.1186/s12917-014-0194-7}, journal = {BMC Veterinary Research} }