000 00656cam a2200229 4500
008 140613n2007 000 0 eng u
020 _a9780198529552
035 _a(Sirsi) i9780198529552
060 _aWA 105.
100 1 _aElwood, M
245 _aCritical appraisal of epidemiological studies and clinical trials /
_c Mark Elwood
250 _a3rd ed.
260 _aOxford :
_b Oxford University Press,
_c 2007
300 _axiii, 570p.
340 _aBook
650 2 _aEpidemiology
650 2 _aEpidemiologic methods
650 2 _aClinical trials
650 2 _aEvidence based practice
650 2 _aCritical appraisal
_95776
942 _n0
999 _c19353
_d19353