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*1001 $aDehejia, Rajeev$0(NO-TrBIB)3041169$_24126600
*24514$aThe timing of births :$bis the health of infants counter-cyclical?$cRajeev Dehejia, Adriana Lleras-Muney
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2003
*300  $a46 s.
*4901 $aWorking paper series / National Bureau of Economic Research$v10122
*7001 $aLleras-Muney, Adriana$0(NO-TrBIB)2076752$_24126700
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