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Two studies question using arthroscopic knee surgery for treating arthritis

NBC Nightly News with Brian Williams—September 10, 2008

Two studies call into question whether many people with arthritis are needlessly undergoing one of the most common operations in America: arthroscopic knee surgery. NBC's Robert Bazell reports and interviews Dr. Robert Marx of Hospital for Special Surgery.

This story originally appeared on NBC Nightly News with Brian Williams.


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