000 00463nam a2200157Ia 4500
001 143668
008 170722s9999 xx 000 0 und d
020 _a0521546613
100 _aWebb, Penny Etc
245 _aEssential epidemiology
_bAn introduction for students and health professionals /
260 _aCambridge :
_bCambridge University Press ,
_c2005.
300 _ap.x+351
653 _aEpidemiology For Students
923 _d20050818
_n1
942 _cGEN
999 _c131952
_d131952