Testing madness.  [electronic resource] 

 -  Scientific American  Jul 2004 
 - 8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8733 
<br/><br/><label>Standard No.: </label>10.1038/scientificamerican0704-8  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aging<br/>Animals<br/>Cattle<br/>Commerce<br/>Costs and Cost Analysis<br/>Encephalopathy, Bovine Spongiform--diagnosis<br/>Meat<br/>Reagent Kits, Diagnostic--economics<br/>United States