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*1001 $aDanzon, Patricia M.$0(NO-TrBIB)90364366$_27662500
*24510$aProductivity in pharmaceutical-biotechnology R&D :$bthe role of experience and alliances$cPatricia M. Danzon, Sean Nicholson, Nuno Sousa Pereira
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2003
*300  $a39 s.$bill.
*4901 $aWorking paper series / National Bureau of Economic Research$v9615
*7001 $aNicholson, Sean$0(NO-TrBIB)1066425$_27662400
*7001 $aPereira, Nuno Sousa$0(NO-TrBIB)3046775$_115006600
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v9615$w999105437124702201$_13074900
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