Beck, O <br/><br/>
Modification of commercial assay kits is justified.  [electronic resource] 

 -  Clinical chemistry  Jun 1993 
 - 1352-3 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0009-9147 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Benzodiazepines--urine<br/>Humans<br/>Reagent Kits, Diagnostic--standards