RT Journal Article SR Electronic T1 The glucuronidation of δ4-3-keto C19- and C21- hydroxy-steroids by human liver microsomal and recombinant UDP-glucuronosyltransferases (UGT): 6α- and 21- hydroxyprogesterone are selective substrates for UGT2B7 JF Drug Metabolism and Disposition JO Drug Metab Dispos FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/dmd.106.013052 A1 Kushari Bowalgaha A1 D Elliot A1 Peter MacKenzie A1 Kathleen Knights A1 John Miners YR 2006 UL http://dmd.aspetjournals.org/content/early/2006/12/06/dmd.106.013052.abstract AB