000 00647nam a2200217 a 4500
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003 MTX
008 101121 2009 000 0 eng d
020 _a9781416040026 /
_c952.00
039 9 _a201506171625
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050 0 0 _aRA651
_bG661 E6 2009
093 _aNU001 MG005
100 1 _aGordis, Leon
_988491
245 1 0 _aEpidemiology /
_cLeon Gordis
250 _a4th ed
260 _aPhiladelohia :
_bElsevier,
_c2009
300 _a375 p
650 0 _aEpidemiological methods
_988492
942 _cGBT
999 _c60109
_d60109