   <td></td>
    </tr>
    <tr>
      <th id="04lfz30c";>28</th>
      <td>Chan_2009</td>
      <td>Examination of seroprevalence of coronavirus HKU1 infection with S protein-based ELISA and neutralization assay against viral spike pseudotyped virus</td>
      <td>Chan, C.M.; Tse, Herman; Wong, S.S.Y.; Woo, P.C.Y.; Lau, S.K.P.; Chen, L.; Zheng, B.J.; Huang, J.D.; Yuen, K.Y.</td>
      <td>2009</td>
      <td>2009-05-31</td>
      <td>PMC</td>
      <td>N</td>
      <td><a href="https://www.ncbi.nlm.nih.gov/