?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Singh%2C+Mahender+Kumar&rft.aulast=Singh&rft.aufirst=Mahender+Kumar&rft.issue=2&rft.volume=22&rft.date=15+January+2006&rft.issn=1367-4803&rft.atitle=HaptenDB%3A+a+comprehensive+database+of+haptens%2C+carrier+proteins+and+anti-hapten+antibodies.&rft.title=Bioinformatics+(Oxford%2C+England)&rft.pages=253-5&rft.genre=article