RT Journal Article SR Electronic T1 Kinetic Studies of 25-Hydroxy-19-Nor-Vitamin D3 and 1α,25-Dihydroxy-19-Nor-Vitamin D3 Hydroxylation by CYP27B1 and CYP24A1 JF Drug Metabolism and Disposition JO Drug Metab Dispos FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/dmd.107.015602 A1 Naoko Urushino A1 Sachie Nakabayashi A1 Midori A. Arai A1 Atsushi Kittaka A1 Tai C. Chen A1 Keiko Yamamoto A1 Keiko Hayashi A1 Shigeaki Kato A1 Miho Ohta A1 Masaki Kamakura A1 Shinichi Ikushiro A1 Toshiyuki Sakaki YR 2007 UL http://dmd.aspetjournals.org/content/early/2007/06/06/dmd.107.015602.abstract AB