A.UpToDataB.DynaMedC.PubMedD.EMBASEE.Cochrane Library
A.CDSRB.DAREC.CENTRALD.CMRE.HTA
A.證據(jù)整合系統(tǒng)B.證據(jù)總結(jié)C.證據(jù)摘要D.系統(tǒng)評(píng)價(jià)E.原始研究