?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=B&rft.au=Campbell%2C+B&rft.aulast=Campbell&rft.atitle=Perspectives%3A+Legislating+change&rft.title=Nature&rft.date=2013&rft.pages=S12-S14&rft.issue=501&rft.genre=article