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In this Monday, July 2, 2012 photo Tom Cervantes, of Boston, a research engineer at the Laboratory for Tissue Engineering and Organ Fabrication at Massachusetts General Hospital, displays a titanium frame designed for the reconstruction of a human ear, left, and a three dimensional plastic ear model, right, at the lab, in Boston. Scientists are growing ears, bone and skin in the lab, and doctors are planning more face transplants and other extreme plastic surgeries. Around the country, the most advanced medical tools that exist are now being deployed to help America's newest veterans and wounded troops. (AP Photo/Steven Senne)

Surprising methods heal wounded troops

Scientists are growing ears, bone and skin in the lab, and doctors are planning more face transplants

and other extreme plastic surgeries. Around the country, the most

advanced medical tools that exist are now being deployed to help

America's newest veterans and wounded troops. (Sept. 10)