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Antinociception induced by intravenous dipyrone (metamizol) upon dorsal horn neurons: Involvement of endogenous opioids at the periaqueductal gray matter, the nucleus raphe magnus, and the spinal cord in rats

Pain MedicineNeuropathic PainMolecular PainPain ManagementDorsal Horn NeuronsAnesthetic PharmacologyHealth SciencesNeuropharmacologyNervous SystemPharmacologyPain ResearchNeurophysiologyNeuroanatomyNucleus Raphe MagnusNeurosciencePain MechanismCentral Nervous SystemAnesthesiaMedicine