Secondhand smoke levels up
By Yang Wanli | China Daily | Updated: 2010-08-18 07:43
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A boy lights a cigarette for his father on May 26 in Shaoyang, Hunan province. Provided to China Daily |
Survey shows 20 percent rise in exposure
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A boy lights a cigarette for his father on May 26 in Shaoyang, Hunan province. Provided to China Daily |
Survey shows 20 percent rise in exposure
