anchor.diff:    <tr>
       <td> <i>C. elegans</i></td>
       <td> Gene versus publications</td>
  -    <td> <a href="http://www.ncbi.nlm.nih.gov" target="_new">NCBI</a> - 16th September 2009</td>
  +    <td> <a href="http://www.ncbi.nlm.nih.gov" target="_new">NCBI</a> - 19th October 2009</td>
       <td> &nbsp;</td>
       <td> &nbsp;</td>
     </tr>
  
positive.code:         <p> Literature</p></html:link></td>
      <td> <i>Drosophila</i> </td>
      <td> Gene versus publications</td>
      <td><a href="http://www.flybase.org" target="_new">Flybase</a> - Version FB2009_08</td>
      <td> Crosby et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/17099233" target="_new">PubMed: 17099233</a></td>
      <td> &nbsp;</td>
    </tr>
  
      <td> <i>D. melanogaster</i> </td>
      <td> Gene versus publications</td>
      <td> <a href="http://www.ncbi.nlm.nih.gov" target="_new">NCBI</a> - 16th September 2009</td>
      <td> &nbsp;</td>
      <td> &nbsp;</td>
    </tr>
  
negative.code:   <tr>
      <td><i>Drosophila</i></td>
      <td>Orthologues and paralogues between the 12 <i>Drosophila</i> genomes.</td>
      <td><a href="http://www.flybase.org" target="_new">Flybase</a> - Version FB2009_09</td>
      <td>Crosby et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/17099233 " target="_new">PubMed: 17099233</a></td>
      <td> &nbsp; </td>
    </tr>
  