RT Journal Article SR Electronic T1 P-Glycoprotein and an Unstirred Water Layer Barring Digoxin Absorption by the Perfused Rat Small Intestine Preparation: Induction Studies with Pregnenolone-16α-Carbonitrile (PCN) JF Drug Metabolism and Disposition JO Drug Metab Dispos FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/dmd.105.008227 A1 Shanjun Liu A1 Debbie Tam A1 Xianghai Chen A1 K. Sandy Pang YR 2006 UL http://dmd.aspetjournals.org/content/early/2006/06/02/dmd.105.008227.abstract AB