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(610041)(evidence2basedmedicine,EBM)10,,,Cochrane,,,,1,ArchieCochrane1972::,,,80,,,,1987Cochrane20(systematicreviews,SR),,,1992DavidSackett,,ArchieCochraneCochrane1993Cochrane(theCochraneCollaboration),SR,Cochrane,14,210,,Cochrane,,2DavidSackett2000,,,:,,,,,,,,,3:();;,,211,,,,,,,,,,212,,CochraneCochrane,(Evidence2BasedMedicineReviews,EBMR)5222001155213,,,,,,(),214Meta-RCT,,,,,RCT,CochraneSR,,,3,,,5:1:Meta2;2:;3:;4:,;5:,,,,()4411Cochrane(Cochranesystematicreview,CSR):,,CSRCSR,,,,CSR412CSR;CSR;CSR;;,CSR413CSR,CSRCSR,,,10003000CSR,41420%EBMStandfordCSR,CochraneEBMCochrane,,,,,,,,,,CochraneCochraneEBM,EBM415Cochrane14,(bestevidence),evidence2basedMedicine,ACPJournalClubClinical,BMJ,JAMA,Lancet,AnnInternMed.,OnlineJcurrClinTrialsMedlineEmbase5,,:511,,,:(1),;(2),,;(3)Cochrane,,6222001155512,Cochrane491000,CochraneINTERNET14,SR,,:10,3,,,,,,CochraneCochrane,6,:,(user),?:611,,Cochrane612,,:613,,614,:???615,,,INCLEN(610041)(evidence2basedmedicine,EBM),,,,,,EBM,1,,:,;,,,;,,(),,2211,,,,,,212,,(currentbestevidence),,,,4:(1)AnnalsofInternalMedicineACPJC:2;(2):Evidence2BasedMedicine,,2(:http//cebm.jrzox.ac.uk);(3)CochraneLibrary:;(4)ClinicalEvidence,Acompendiumofthebestavailableevidenceforeffectivehealthcare,,,213,;,;,(bias)(confounder);,,,()7222001155