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020 _a727913867
082 _a616
_bCLI
_223
245 _aCLINICAL evidence: a compendium of the best available evidence for effective hea
260 _aLondon
_bBMJ pub.
_c2000
300 _axx, 843 p.
500 _aIncludes appendixes and index.
650 _aEvidence based medicine
942 _cS