000 00315nam a2200133Ia 4500
008 220613s9999||||xx |||||||||||||| ||und||
100 _aRobert H Fletcher
245 0 _aClinical Epidemiology the Essentials
250 _a5th(2014)
260 _bWolters Keluwer
300 _a255
650 _aSPM
942 _cPARAC
999 _c10020
_d10020