TY - JOUR T1 - Editorial JF - Drug Metabolism and Disposition JO - Drug Metab Dispos SP - 509 LP - 509 DO - 10.1124/dmd.31.5.509 VL - 31 IS - 5 AU - James R. Halpert Y1 - 2003/05/01 UR - http://dmd.aspetjournals.org/content/31/5/509.abstract N2 - ER -