@article{article015cd5cf, title = {Local analgesic effect of tramadol is mediated by opioid receptors in late postoperative pain after plantar incision in rats}, author = {Oliveira Junior, José Oswaldo de and Freitas, Milena Fernandes de and Andrade, Carolina Bullara de and Chacur, Marucia and Ashmawi, Hazem Adel}, year = {2016}, doi = {10.2147/JPR.S117674}, journal = {Journal of Pain Research} }