A solution can be to use publications of criticized summaries (the ACP journal club, EBM, Clinical Evidence.org), or use databases such as the Cochrane Collaboration.
为了获得有效的证据，可以查阅杂志上(the ACP journal club, EBM, Clinical Evidence.org)的经过严格评审的综述，或者使用类似Cochrane Collaboration的数据库。