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*1001 $aChen, Xing$d1982-$0(NO-TrBIB)11040462$_119502400
*24510$aDevelopment of competition indicators in the Norwegian general practice :$bconstructing a postal code-specific Herfindahl-Hirschman index applying STATA software$cXing Chen, Geir Godager
*260  $a[Oslo]$bHealth Economics Research Programme at the University of Oslo$c2011
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*4901 $aWorking paper / University of Oslo, Health Economics Research Programme$v2011:1
*7001 $aGodager, Geir$d1978-$0(NO-TrBIB)3068481$_33890200
*7760 $tDevelopment of competition indicators in the Norwegian general practice : constructing a postal code-specific Herfindahl-Hirschman index applying STATA software$w991148453364702201
*830 0$aWorking paper (Helseøkonomisk forskningsprogram : trykt utg.)$x1501-9071$v2011:1$w990000561384702201$_14492200
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