?url_ver=Z39.88-2004&rft_id=10.1038%2Fnrd3405&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Fabio&rft.aulast=Pammolli&rft.au=Pammolli%2C+Fabio&rft.issn=1474-1776&rft.date=2011&rft.title=Nature+Reviews+Drug+Discovery&rft.atitle=The+productivity+crisis+in+pharmaceutical+R%26D&rft.issue=6&rft.pages=428-438&rft.volume=10&rft.genre=article