The head of Xi'an Xijing hospital speaks at a news conference in Xi'an, Northwest China's Shaanxi province. The hospital successfully offered a face transplant operation to a man. The man, surnamed Li, had suffered severe bear attack in 2004 and he at last undergoes a face transplant operation with the help of a voluntary organization. The operation starts on April 13 and lasts 13 hours.[Xinhua]

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