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015 _q0
020 _a/a 7000109720
_q0
040 _a/a NG-ZaABU
_c/c NG-ZaABU
050 _a/a RA651.M24 Mac
_b/b 059
100 _94974
_a/a MacMahon Brian, Pugh Thomas F.
245 _a/a Epidemiology
_b/b Principles and methods
_c/b By MacMahon Brian, Pugh Thomas F.
_h/h [Text]
250 _a/a 1st ed.
260 _a/a London
_b/b J & A Churchill
_c/c 1970
300 _a/a ix, 376p
_b/b ill.:
504 _a/a Includes bibliography references
942 _2lcc
_cBK
_e/e 1st ed.
_h/h RA
_k/k 651.M24
_m/m Mac