000 nam a22 7a 4500
999 _c125271
_d125271
008 220210b xxu||||| |||| 00| 0 eng d
020 _a9781416040026
050 _aRA651
_b.G67 2009
100 _aGordis Leon
_d2009
_949865
245 _aEpidemiology
_cLeon Gordis
_hBook
250 _a4th ed.
260 _bSauders Elsevier
_c2009
300 _axv,375p
_bill;Col
_c26cm
942 _2lcc
_cBK