title: The role of the endogenous opioid system in the human stress response.
mesh_terms: D004723:Endorphins / Q000097:blood / Q000134:cerebrospinal fluid / Q000502:physiology*; D005283:Fentanyl; D006801:Humans; D006854:Hydrocortisone / Q000097:blood; D007432:Intraoperative Period; D009020:Morphine / Q000627:therapeutic use; D009270:Naloxone; D010146:Pain / Q000503:physiopathology; D010149:Postoperative Pain / Q000188:drug therapy; D005082:Physical Exertion; D011184:Postoperative Period; D013312:Stress, Physiological / Q000503:physiopathology*; D013315:Stress, Psychological / Q000503:physiopathology; D013514:Surgical Procedures, Operative
chemical_list: D004723:Endorphins; D009270:Naloxone; D009020:Morphine; D005283:Fentanyl; D006854:Hydrocortisone