title: The identification of three new metabolites of methadone in man and in the rat.
mesh_terms: D000818:Animals; D001711:Biotransformation; D002247:Carbon Isotopes; D006801:Humans; D008691:Methadone / Q000378:metabolism*; D011759:Pyrrolidines / Q000652:urine; D051381:Rats
chemical_list: D002247:Carbon Isotopes; D011759:Pyrrolidines; D008691:Methadone