2017-06-302026-03-272017-06-302010Juan Carlos Bautista Ramírez0091-305710.1016/j.pbb.2010.09.004https://doi.org/10.1016/j.pbb.2010.09.004https://repositorio.inprf.gob.mx/handle/123456789/6184engacceso cerradoTramadol and caffeine produce synergistic interactions on antinociception measured in a formalin modelarticle1873-51772Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz357-362Estados Unidos97Analgesics, OpioidpharmacologyAnimalsCaffeinepharmacologyCentral Nervous System StimulantspharmacologyData Interpretation, StatisticalDose-Response Relationship, DrugDrug SynergismFormaldehydediagnostic useMalePain Measurementdrug effectsRatsRats, WistarTramadolpharmacologyAnalgesics, OpioidCentral Nervous System StimulantsTramadolFormaldehydeCaffeine