<p><b>Copyright information:</b></p><p>Taken from "Evaluation and optimization of a commercial enzyme linked immunosorbent assay for detection of IgA antibodies"</p><p>http://www.biomedcentral.com/1471-2334/8/98</p><p>BMC Infectious Diseases 2008;8():98-98.</p><p>Published online 26 Jul 2008</p><p>PMCID:PMC2515311.</p><p></p