000 004760a00a22001930004500
022 _a0008-4264
040 _aNational Research Council of Canada
245 _aCanadian Journal of Public Health
250 _bSLML:40(1949)--49(1958)
260 _bOttawa:National Research Council of Canada
260 _a1949
260 _c1958
300 _aS
300 _cC
942 _2ddc
999 _c5407
_d5407