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035   $a(EXLCZ)995470000002403308
100   $a20090925d2009      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDelayed childbearing$b[electronic resource] $emore women are having their first child later in life /$fT.J. Mathews, and Brady E. Hamilton
210  1$aHyattsville, MD :$cU.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics,$d[2009]
215   $a1 online resource (8 unnumbered pages) $cdigital, PDF file
225 1 $aNCHS data brief,$x1941-4935 ;$vno. 21
225 1 $aDHHS publication ;$vno. (PHS) 2009-1209
300   $aTitle from title screen (viewed Sept. 28, 2010).
300   $a"August 2009."
320   $aIncludes bibliographical references (pages 7-[8]).
410  0$aNCHS data brief (Series) ;$vno. 21.$x1941-4935
410  0$aDHHS publication ;$vno. (PHS) 2009-1209.
517   $aDelayed childbearing 
606   $aMaternal age$zUnited States$vStatistics
606   $aMothers$zUnited States$vStatistics
608   $aStatistics.$2lcgft
615  0$aMaternal age
615  0$aMothers
700   $aMathews$b T. J$01386334
701   $aHamilton$b Brady E$01386333
712 02$aNational Center for Health Statistics (U.S.)
801  0$bLGG
801  1$bLGG
801  2$bGPO
906   $aBOOK
912   $a9910699561703321
996   $aDelayed childbearing$93476272
997   $aUNINA