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008 240727s9999 xx 000 0 und d
040 _aISI Library
_bISI Library
_cEnglish
041 _aEnglish
110 _aUS Health Education and Welfare. Dept.of Public Health Service
245 _aReport of the Twentieth Anniversary Conference of the United States National Committee on Vital and Health Statistics
260 _aRockville, Md.:
_bNational Centre forHealth Statistics,
_c1970
300 _a42 p.
490 _aVital and Health Statistics.Series 4: Documents and Committee Reports, no. 13
650 _aHealth occupation
650 _aUS
901 _b11/05/1974
904 _a27/07/2024
942 _cRP
_2ddc
999 _c435335
_d435335