000 00418cam a22001694a 4500
999 _c1362
_d1362
020 _a0416025308
082 0 0 _a614.4
_bG58
100 1 _aGordis, Leon,
245 1 0 _aEpidemiology /
250 _a3rd ed./updated edition
260 _aPhiladelphia, Pa. :
_bSaunders,
_cc2004.
300 _axi, 335 p. :
_bill. ;
650 0 _aEpidemiology.
650 1 2 _aEpidemiology.
650 2 2 _aEpidemiologic Methods.
942 _cBK