Christensen, J M <br/><br/>
The Danish external quality assessment scheme.  [electronic resource] 

 -  Annali dell'Istituto superiore di sanita  1996 
 - 221-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0021-2571 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Denmark<br/>Environmental Monitoring--standards<br/>Laboratories--standards<br/>Quality Control