000 00411nam a2200157Ia 4500
008 180712s9999 xx 000 0 und d
020 _a9781451144475
082 _a614.4
_bFLE
100 _aFLETCHER, Robert H.
245 _aClinical epidemiology: the essentials
250 _a5th ed.
260 _aPhiladelphia
_bWolters Kluwer
_c2014
300 _axv, 255 p.
650 _aEpidemiologic methods
942 _cR
999 _c8425
_d8425