title: Effect of naloxone on analgesia induced by food deprivation.
mesh_terms: D000698:Analgesia; D000818:Animals; D002940:Circadian Rhythm; D005508:Food Deprivation / Q000187:drug effects*; D008297:Male; D009270:Naloxone / Q000494:pharmacology*; D051381:Rats
chemical_list: D009270:Naloxone