title: Significance of endorphins in endogenous antinociception.
mesh_terms: D000818:Animals; D004558:Electric Stimulation; D004723:Endorphins / Q000134:cerebrospinal fluid / Q000502:physiology*; D006801:Humans; D009270:Naloxone / Q000494:pharmacology; D010146:Pain / Q000503:physiopathology*; D011957:Receptors, Opioid / Q000187:drug effects
chemical_list: D004723:Endorphins; D011957:Receptors, Opioid; D009270:Naloxone