7. cochrane图书馆--循证医学的重要资料库cochrane database of systematic review,cdsr(cochrane协作网系统评价资料库)database of abstracts of reviews of effectiveness,dare(疗效评价文摘库)cochrane controlled trials register/central(cochrane临床对照试验资料库和central管理资料库)cochrane review methodology database(cochrane系统评价方法学数据库)about cochrane collaboration(cochrane协作网)other sources of information(其它信息源)