title: Some comparative effects of racemic methadone and its optical isomers in rodents.
mesh_terms: D000085:Acetates / Q000037:antagonists & inhibitors / Q000494:pharmacology; D000284:Administration, Oral; D000698:Analgesia; D000818:Animals; D004305:Dose-Response Relationship, Drug; D005260:Female; D007279:Injections, Subcutaneous; D007536:Isomerism; D007928:Lethal Dose 50; D008297:Male; D008691:Methadone / Q000008:administration & dosage / Q000494:pharmacology* / Q000633:toxicity; D051379:Mice; D009043:Motor Activity / Q000187:drug effects; D009270:Naloxone / Q000494:pharmacology; D009904:Optical Rotation; D051381:Rats; D011930:Reaction Time / Q000187:drug effects; D012018:Reflex / Q000187:drug effects; D013035:Spasm / Q000139:chemically induced; D013623:Tail
chemical_list: D000085:Acetates; D009270:Naloxone; D008691:Methadone