@article{article728bbbce,
title   = {Pharmacokinetics of tramadol and o-desmethyltramadol in goats after intravenous and oral administration},
author = {Sousa, Altamir Benedito de and Santos, A. C. D and Schramm, Simone Grigoleto and Porta, Valentina and Górniak, Silvana Lima and Flório, Jorge Camilo and Spinosa, Helenice de Souza},
year = {2008},
doi = {10.1111/j.1365-2885.2007.00916.x},
journal   = {Journal of Veterinary Pharmacology Therapeutics}
}