title: Multiple receptor types in opioid discrimination.
mesh_terms: D000818:Animals; D004723:Endorphins / Q000145:classification; D007276:Injections, Intraventricular; D009294:Narcotics / Q000145:classification; D017981:Receptors, Neurotransmitter / Q000187:drug effects / Q000502:physiology; D011957:Receptors, Opioid / Q000145:classification / Q000187:drug effects / Q000494:pharmacology / Q000502:physiology*; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu; D017478:Receptors, Phencyclidine; D017480:Receptors, sigma
chemical_list: D004723:Endorphins; D009294:Narcotics; D017981:Receptors, Neurotransmitter; D011957:Receptors, Opioid; D017473:Receptors, Opioid, kappa; D017450:Receptors, Opioid, mu; D017478:Receptors, Phencyclidine; D017480:Receptors, sigma