title: Effect of opioids on central serotonin transmission and despair test.
mesh_terms: D000818:Animals; D000928:Antidepressive Agents / Q000494:pharmacology*; D001522:Behavior, Animal / Q000187:drug effects*; D004723:Endorphins / Q000494:pharmacology*; D007103:Immobilization; D008297:Male; D051379:Mice; D009043:Motor Activity / Q000187:drug effects; D009431:Neural Conduction / Q000187:drug effects*; D051381:Rats; D011919:Rats, Inbred Strains; D012702:Serotonin Antagonists / Q000494:pharmacology*
chemical_list: D000928:Antidepressive Agents; D004723:Endorphins; D012702:Serotonin Antagonists