RT Journal Article SR Electronic T1 ABCG2 mediates differential resistance to SN-38 and homocamptothecins JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/jpet.103.063149 A1 Susan E. Bates A1 Wilma Y. Medina-Perez A1 Glenda Kohlhagen A1 Smitha Antony A1 Tim Nadjem A1 Robert W. Robey A1 Yves Pommier YR 2004 UL http://jpet.aspetjournals.org/content/early/2004/04/09/jpet.103.063149.abstract AB