000 00770nam a2200205Ia 4500
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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 _aA Study of Infant Mortality from Linked Records : By Birth Weight,Period of Gestation, and Other Variables,United States
260 _aRockville, Md. :
_bNational Centre forHealth Statistics,
_c1972
300 _a90 p.
490 _aVital and Health Statistics.Series 20: Data from the National Vital Statistics System, no. 12
650 _aHealth occupation
650 _aUS
901 _b28/02/1973
904 _a27/07/2024
942 _cRP
_2ddc
999 _c435307
_d435307