000 00422 a2200169 4500
020 _a9781449665487
082 _a614.4
_bMEI
100 _aMerrill, Ray M
_951535
245 _aIntroduction to epidemiology
_c Ray M. Merrill
250 _a6th ed.
260 _aBurlington:
_bJones & Bartlett Learning,
_c2013.
300 _axviii, 434p.
500 _aPB
546 _aEng
650 _aEpidemiologic
_96466
942 _cBK
999 _c61730
_d61730