>t02</th>
      <td>infection(s), viral, immune, infectious, transplant, mortality, viruses, viral_infections, risk</td>
      <td><a href="Topic_02.html" target="_blank">68</a></td>
      <td>0</td>
    </tr>
    <tr>
      <th>t03</th>
      <td>lung, lung_transplantation, rejection, pulmonary, bronchiolitis, dysfunction, allograft, obliterans, lung_transplant, acute</td>
      <td><a href="Topic_03.html" target="_blank">32</a></td>
      <td>0</td>
    </tr>
    <tr>
      <th>t04</th>
      <td>HSCT, st