title: On the role of endogenous opioid mechanisms in offense, defense and nociception.
mesh_terms: D000374:Aggression / Q000187:drug effects / Q000502:physiology*; D000698:Analgesia; D000818:Animals; D003307:Copulation; D004723:Endorphins / Q000502:physiology*; D005260:Female; D006799:Housing, Animal; D006801:Humans; D007774:Lactation; D008297:Male; D051379:Mice; D009270:Naloxone / Q000494:pharmacology; D010146:Pain / Q000503:physiopathology*; D011247:Pregnancy; D051381:Rats; D012934:Social Isolation
chemical_list: D004723:Endorphins; D009270:Naloxone