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In this April 26, 2011 photo, a veteran reads a report on conditions at a southwest Ohio Veteran's Administration hospital during a Senate hearing on the facility, in Dayton, Ohio.

In this April 26, 2011 photo, a veteran reads a report on conditions at a southwest Ohio Veteran's Administration hospital during a Senate hearing on the facility, in Dayton, Ohio. Hundreds of patients have been tested for infections following reports that a dentist for years failed to change gloves or sterilize instruments between patients at the facility. (AP Photo/Al Behrman)

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