Age - and cause - specific proportional mortality rates were compared with those of Anshan male population.
年龄别和死因别比例死亡率与鞍山男性人口年龄别比例死亡专率进行了比较。
A study on proportional mortality ratio of cancer and some other chronic diseases among workers in 20 asphalt felt-making factories is reported.
对全国20个油毡厂工人的癌症和其它几种慢性病进行了比例死亡比的研究。
Malignant tumor's ratio of proportional mortality rate increased year by year, many district malignant tumor mortality rates also had the obvious trend of escalation.
三峡库区恶性肿瘤在死因构成所占比例逐年增加，各区县恶性肿瘤死亡率也呈现明显的上升趋势。
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