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*035  $a(NO-LaBS)14091301(bibid)
*035  $a(NO-TrBIB)020864574
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*1001 $aCollins, William J.$0(NO-TrBIB)90066126$_30737000
*24510$aExploring the racial gap in infant mortality rates, 1920-1970$cWilliam J. Collins, Melissa A. Thomasson
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2002
*300  $a55 s.
*4901 $aWorking paper series / National Bureau of Economic Research$v8836
*7001 $aThomasson, Melissa A.$0(NO-TrBIB)2045738$_51253400
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v8836$w999105437124702201$_13074900
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*999  $aoai:nb.bibsys.no:990208645744702202$b2021-11-14T20:04:13Z$z990208645744702202
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