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		Mark, 
 
          What is your opinion on ADRs?  What has your experience been so far? 
 
         I am , personally, not a huge fan of metal-hard polymer-metal devices. Most of these ADRs out there are all the same... metal on metal, metal on polymer. 
 
          Could you shed some light? 
 
 thanks 
		
		
		
		
		
		
		
	
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