PMID: 15170677
Yoshikawa M, Ikegami Y, Hayasaka S, Ishii K, Ito A, Sano K, Suzuki T, Togawa T, Yoshida H, Soda H, Oka M, Kohno S, Sawada S, Ishikawa T, Tanabe SNovel camptothecin analogues that circumvent ABCG2-associated drug resistance in human tumor cells.
Int J Cancer. 2004 Jul 20;110(6):921-7., 2004-07-20 [PubMed]