?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=C&rft.au=Tulone%2C+C&rft.aulast=Tulone&rft.volume=6&rft.issn=1932-6203&rft.title=PLOS+One&rft.date=28+October+2011&rft.issue=10&rft.atitle=Differential+requirement+for+cathepsin+D+for+processing+of+the+full+length+and+C-terminal+fragment+of+the+malaria+antigen+MSP1.&rft.genre=article