Sousa AB de, Santos ACD dos, Florio JC, Spinosa H de S. Pharmacokinetics of tramadol administered by intravenous and intramuscular routes to female dogs submitted to ovariohysterectomy. Braz. J. Vet. Res. Anim. Sci. 2008;45(3):239-247. doi:10.11606/issn.1678-4456.bjvras.2008.26702