?url_ver=Z39.88-2004&rft_id=10.1021%2Fci100386y&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Wang%2C+L&rft.aulast=Wang&rft.aufirst=L&rft.issue=4&rft.volume=51&rft.date=25+April+2011&rft.issn=1549-9596&rft.atitle=Residue+preference+mapping+of+ligand+fragments+in+the+protein+data+bank&rft.title=Journal+of+Chemical+Information+and+Modeling&rft.pages=807+-+815&rft.genre=article