000 00324 a2200097 4500
050 _aRA445.
_bC51
100 _lEnglish
_qEd. Irving I. Kessler, Morton L. Levin [ et- al ]
245 _aThe Community as an Epidemiologic Laboratory:
_bA Casebook of Community Studies
260 _aBaltimore
_bJohn's Hopkins Press.
_c1970
942 _2lcc
999 _c205
_d205