title: Measurement of analgesia using a spatial preference test in the rat.
mesh_terms: D000698:Analgesia; D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects; D003061:Codeine / Q000494:pharmacology; D003496:Cyclazocine / Q000494:pharmacology; D004056:Differential Threshold; D004305:Dose-Response Relationship, Drug; D004597:Electroshock; D004924:Escape Reaction / Q000187:drug effects; D006799:Housing, Animal; D006801:Humans; D008297:Male; D008614:Meperidine / Q000494:pharmacology; D008954:Models, Biological; D010146:Pain; D010423:Pentazocine / Q000494:pharmacology; D011600:Psychopharmacology; D051381:Rats; D019966:Substance-Related Disorders
chemical_list: D008614:Meperidine; D003496:Cyclazocine; D010423:Pentazocine; D003061:Codeine