000 00288nam a2200109 4500
245 _aUsers of epidemiology
_cJ N Morris
100 _aMorris, J.N.
250 _a3rd ed.
260 _aLondon
_bChruchill Livingstone
_cc1975
300 _a[6], 318p,: ill.; maps.; 22cm.
082 _a6164.4
_bMOR
999 _c42597
_d42597