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100   $a20110531d1968      ua             0
101 0 $aeng
135   $aurcn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aVariations in birth weight $elegitimate live births, United States - 1963 /$fMary Grace Kovar
210  1$aWashington, D.C. :$cU.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration,$d1968.
215   $a1 online resource (iv, 35 pages) $c1 illustration, forms
225 1 $aVital and health statistics. Series 22, Data from the national vital statistics system ;$vnumber 8
225 1 $aPublic Health Service publication ;$vno. 1000-series 22-no. 8
300   $a"Statistics on the variation in birth weight according to whether or not the mother was employed during pregnancy, 1962 family income, the time of the first visit for medical care and the number of visits during the 12 months preceding childbirth. Based on data collected by a questionnaire mailed to mothers and medical care services for a sample selected from records of births in 1963 which filed with the National Center for Health Statistics."
300   $a"November 1968."
320   $aIncludes bibliographical references (page 11).
517   $aVariations in birth weight 
606   $aBirth weight$zUnited States$vStatistics
606   $aNewborn infants$zUnited States$vStatistics
606   $aBirth weight$2fast
606   $aNewborn infants$2fast
607   $aUnited States$vStatistics, Medical
607   $aUnited States$2fast
608   $aStatistics.$2fast
608   $aStatistics.$2lcgft
615  0$aBirth weight
615  0$aNewborn infants
615  7$aBirth weight.
615  7$aNewborn infants.
700   $aKovar$b Mary Grace$01386432
712 02$aNational Center for Health Statistics (U.S.),
801  0$bSXT
801  1$bSXT
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801  2$bNLC
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912   $a9910711667403321
996   $aVariations in birth weight$93539708
997   $aUNINA