?url_ver=Z39.88-2004&rft_id=doi%3A10.1023%2FA%3A1015238201367&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Saha%2C+Satish&rft.aulast=Saha&rft.aufirst=Satish&rft.issue=9&rft.volume=24&rft.date=2002&rft.issn=01415492&rft.atitle=Sandwich+microgravimetric+immunoassay%3A+Sensitive+and+specific+detection+of+low+molecular+weight+analytes+using+piezoelectric+quartz+crystal&rft.title=Biotechnology+Letters&rft.pages=711-716&rft.genre=article