title: The role of endogenous opiates in shock: introductory comments.
mesh_terms: D000818:Animals; D004723:Endorphins / Q000502:physiology*; D009270:Naloxone / Q000008:administration & dosage; D012769:Shock / Q000188:drug therapy / Q000503:physiopathology*
chemical_list: D004723:Endorphins; D009270:Naloxone