@article{article910c5ca5,
title   = {Comparison of preoperative tramadol and pethidine on postoperative pain in cats undergoing ovariohysterectomy},
author = {Evangelista, Marina C and Silva, Rodrigo A and Cardozo, Larissa B and Kahvegian, Marcia A. P and Rossetto, Thais C and Matera, Júlia Maria and Fantoni, Denise Tabacchi},
year = {2014},
doi = {10.1186/s12917-014-0252-1},
journal   = {BMC Veterinary Research}
}