000 00391nam a22001577a 4500
999 _c17493
_d17493
008 190228b xxu||||| |||| 00| 0 eng d
020 _a1455737338
050 _aRA651
_b.G67 2014 c.1
100 _aGordis, Leon
245 _aEpidemiology
_cLeon Gordis
250 _a5th ed.
260 _aPhiladelphia
_bElsevier
_c2014
300 _axv, 392p.
650 _aEpidemiology
942 _2lcc
_cBK