Diagnosis of drivers who incurred fatal car accidents reveals that among those drivers under 50 with fatal accidents, 5% are diganosed to have P**(一种眼部疾病). This disease affects peripheral vision. However among entire population under 50, only 3% are diagnosed to be infected with P**. Therefore it is the P** disease that has led to drivers' fatal accidents.
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发表于 2011-1-16 22:24:44
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