?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Sharma%2C+Vandna&rft.aulast=Sharma&rft.aufirst=Vandna&rft.issue=5&rft.volume=477&rft.date=6+March+2020&rft.issn=1470-8728&rft.atitle=Kringles+of+substrate+plasminogen+provide+a+%22catalytic+switch%22+in+plasminogen+to+plasmin+turnover+by+Streptokinase.&rft.title=The+Biochemical+journal&rft.pages=953-970&rft.genre=article