 a prescription was filled, or the date on which a Drug administration procedure was recorded.</td>
</tr>
<tr class='even'>
 <td class='detail'>drug_exposure_start_datetime</td>
 <td class='detail'>timestamp</td>
 <td class='detail' align='right'>29,6</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 start date and time for the current instance of Drug utilizati