ss='detail' align='center' title='nullable'>&nbsp;&radic;&nbsp;</td>
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  <table border='0' width='100%' cellspacing='0' cellpadding='0'>
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    <td class='relatedTable detail' title="drug_exposure.provider_id refs provider.provider_id via fpk_drug_provider"><a href='provider.html'>provider</a><span class='relatedKey'>.provider_id</span>
   