NBA Rocket centre Yao Ming of China sits on a special dolly in Houston,United States. Yao has been under treatment after he fractured the right tibial plateau under his knee Dec. 23 when he jumped to block a shot and his knee got caught under Tim Thomas' body. Yao immediately grabbed his knee and screamed in pain. Yao was averaging 26 points and nine rebounds before the injury.[sina.com]

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