Health Team
Service dog helps man become independent
David Hamerka has his best friend, Duke, at this side at all times.
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Transcript
David Hamerka has his best friend, Duke, at this side at all times.
Reporter : Allen Mask, M.D.Producer : Rick Armstrong
Posted 2011-01-03T18:29:15-0500 - Updated 2011-01-03T18:29:15-0500
