广州地区偏头痛发病率和患病率明显低于国内六大城市以及国外资料。女性患者为男性的三倍，此一比例高于国外报导。
The statistical incidence and prevalence ratios in Guangzhou area are remarkably lower than those in foreign countries as well as in six large cities of China.
各种恶性肿瘤的男性发病率和死亡率明显高于女性。
The morbidity and mortality of each cancer were higher in men than in women.
各种恶性肿瘤的男性发病率和死亡率明显高于女性。
The morbidity and mortality of each cancer were higher in men than in women.
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