title: Biobehavioral modulation of pain transmission.
mesh_terms: D000698:Analgesia; D000818:Animals; D001933:Brain Stem / Q000187:drug effects / Q000502:physiology; D004558:Electric Stimulation; D004723:Endorphins / Q000502:physiology; D006801:Humans; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D009294:Narcotics / Q000627:therapeutic use; D010146:Pain / Q000188:drug therapy / Q000503:physiopathology*; D051381:Rats; D013116:Spinal Cord / Q000187:drug effects / Q000502:physiology
chemical_list: D004723:Endorphins; D009294:Narcotics; D009270:Naloxone; D009020:Morphine