 a box as dispensed to the patient</td>
</tr>
<tr class='odd'>
 <td class='detail'>valid_start_date</td>
 <td class='detail'>date</td>
 <td class='detail' align='right'>13</td>
 <td class='detail' align='center'></td>
 <td class='detail' align='center'></td>
 <td class='detail'></td>
 <td class='detail'></td>
 <td class='detail'> </td>
 <td class='comment detail'>The date when the Concept was first recorded. The default value is 1-Jan-1970.</td>
</tr>
<tr class='even'>
 <td class='detail'>valid_end_date</td