RT Journal Article SR Electronic T1 Pharmacological effects and metabolic fate of levo-methadone during postnatal development in rat. JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 491 OP 497 VO 208 IS 3 A1 N S Shah A1 A G Donald YR 1979 UL http://jpet.aspetjournals.org/content/208/3/491.abstract AB