title: Stress-induced opiate administration: a model for endorphin-mediated stress analgesia.
mesh_terms: D000698:Analgesia / Q000379:methods*; D000818:Animals; D004723:Endorphins / Q000008:administration & dosage*; D013312:Stress, Physiological / Q000503:physiopathology*
chemical_list: D004723:Endorphins