000 00264nam a22000977a 4500
082 _a614.4
100 _aDavid E Lilienfeld
245 _aFoundations of epidemiology./
_cDavid E Lilienfeld and Paul D Stolley;
260 _aNew York :
_b Oxford,
_c1994.
942 _cBK
999 _c333984
_d333984