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*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990209723264702201
*035  $a(NO-LaBS)13461116(bibid)
*035  $a(NO-TrBIB)020972326
*035  $a020972326-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*24500$aPublic-private interaction and the productivity of pharmaceutical research$cIain Cockburn, Rebecca Henderson
*260  $aCambridge, Mass.$bNBER$c1997
*300  $a36,[8] s.
*4901 $aNBER working paper series$v6018
*7001 $aCockburn, Iain$_96492200
*7001 $aHenderson, Rebecca$_96492300
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v6018$w999105437124702201$_13074900
*901  $a60
*999  $aoai:nb.bibsys.no:990209723264702202$b2021-11-14T20:41:00Z$z990209723264702202
^