000 00566cam a22002054a 4500
020 _a978052117731
050 0 0 _aMED RA651
_bW385
100 1 _aWebb, Penny,
245 1 0 _aEssential epidemiology : an introduction for students and health professionals
250 _a2nd ed.
260 _aCambridge
_aNew York
_bCambridge University Press,
_c2011
300 _axiv, 445p.
_bill.
490 1 _aCambridge medicine
505 8 _a
650 0 _aEpidemiology
650 1 2 _aEpidemiologic Methods
650 2 2 _aEpidemiology
700 1 _aBain, Chris,
942 _cBK
999 _c3742
_d3742