2Hai Wang Xiao-Ping Chen Fa-Zu Qiu The Hepatic Center of Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,430030,HuBei Province,China.Overcoming multi-drug resistance by anti-MDR1 ribozyme[J].World Journal of Gastroenterology,2003,9(7):1444-1449. 被引量:17