?url_ver=Z39.88-2004&rft_id=doi%3A10.1016%2Fj.aca.2003.11.009&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Kaur%2C+J&rft.aulast=Kaur&rft.aufirst=J&rft.issue=2&rft.volume=506&rft.date=2004&rft.issn=00032670&rft.atitle=Strategies+for+direct+attachment+of+hapten+to+a+polystyrene+support+for+applications+in+enzyme-linked+immunosorbent+assay+(ELISA)&rft.title=Analytica+Chimica+Acta&rft.pages=133-135&rft.genre=article