title: Failure of naloxone to reverse analgesia in congenital insensitivity to pain, and variable plasma levels of beta-endorphin-like activity.
mesh_terms: D000293:Adolescent; D000328:Adult; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004723:Endorphins / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D009270:Naloxone / Q000627:therapeutic use*; D000699:Pain Insensitivity, Congenital / Q000188:drug therapy* / Q000503:physiopathology; D011897:Random Allocation
chemical_list: D004723:Endorphins; D009270:Naloxone