00325    a2200121   4500020001500000082001700015100002400032245003300056250001200089260005000101300002100151650003100172  a0195096681  a614.403bDIC  aLast, John M. eed.  aA dictionary of epidemiology  a3rd ed.  aNew YorkbOxford University Pressc1983g1995  axvii,180p.c23cm  aDictionary of Epidemiology