title: Further study on the correlation of urinary excretion of a methadone metabolite with methadone metabolism and analgesia in the rat.
mesh_terms: D000700:Analgesics; D000818:Animals; D003640:Dealkylation; D008297:Male; D008691:Methadone / Q000378:metabolism* / Q000494:pharmacology / Q000652:urine; D010634:Phenobarbital / Q000494:pharmacology; D051381:Rats; D013997:Time Factors
chemical_list: D000700:Analgesics; D008691:Methadone; D010634:Phenobarbital