         string
         </code>
         &gt;
        </code>
       </td>
       <td>
        The "descriptors" field specifies a list of descriptive terms drawn from
a normalized controlled vocabulary corresponding to subjects mentioned in
the article.
        <br/>
        Examples Include:
        <ol>
         <li>
          ECONOMIC CONDITIONS AND TRENDS
         </li>
         <li>
          AIRPLANES
         </li>
         <li>
          VIOLINS
         </li>
        </ol>
       </td>
       <td