RT Journal Article SR Electronic T1 Editorial JF Drug Metabolism and Disposition JO Drug Metab Dispos FD American Society for Pharmacology and Experimental Therapeutics SP 509 OP 509 DO 10.1124/dmd.31.5.509 VO 31 IS 5 A1 James R. Halpert YR 2003 UL http://dmd.aspetjournals.org/content/31/5/509.abstract AB