000 00386nam a2200157 a 4500
020 _a0443023034
050 0 0 _aRA652.
_bB3
100 1 _aBarker, D. J. P.
245 1 0 _aPractical epidemiology
250 _a3rd ed.
260 _aEdinburgh
_aNew York
_bChurchill Livingstone
_c1982
300 _aviii, 159p.
_bill.
650 0 _aEpidemiology
700 1 _aBennett, F. J.
942 _cBK
999 _c3739
_d3739