title: Stimulation-produced analgesia in rats: assessment by two pain tests and correlation with self-stimulation.
mesh_terms: D000818:Animals; D002535:Cerebral Aqueduct / Q000502:physiology; D004558:Electric Stimulation; D008297:Male; D009619:Nociceptors / Q000502:physiology*; D010146:Pain / Q000523:psychology*; D010286:Paraventricular Hypothalamic Nucleus / Q000502:physiology; D011903:Raphe Nuclei / Q000502:physiology; D051381:Rats; D011957:Receptors, Opioid / Q000502:physiology; D012653:Self Stimulation / Q000502:physiology*; D012684:Sensory Thresholds
chemical_list: D011957:Receptors, Opioid