2017-06-292026-03-272017-06-292014Juan Carlos Bautista Ramírez0032-094310.1055/s-0033-1360220http://doi.org/10.1055/s-0033-1360220https://repositorio.inprf.gob.mx/handle/123456789/4634engacceso cerradoAnalgesics-ChemistryAnalgesics-PharmacologyAnimalsDiclofenac-ChemistryDiclofenac-PharmacologyDrug Evaluation, PreclinicalDrug SynergismMiceTramadol-ChemistryTramadol-PharmacologyTriterpenes-ChemistryTriterpenes-PharmacologyIsobolographic analysis of the antinociceptive interaction between ursolic acid and diclofenac or tramadol in miceArtículo1439-02212-3Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz139-145Alemania80AntinociceptionDiclofenacIsobologramSynergismTramadolUrsolic acid