徐先生是家住中原地区河南省郑州市做调味品生意的市民。
The condiments businessman, surnamed Xu, is a resident in Zhengzhou city, central China's Henan Province.
对郑州市二七区、中原区1986 ~ 1988年白血病的发病因素进行了调查。
Pathogenic factors of leukemia in Erqi and Zhonyuan Districts of ZhengZhoufrom 1986 to 1988 were investigated.
对郑州市二七区、中原区1986 ~ 1988年白血病的发病因素进行了调查。
Pathogenic factors of leukemia in Erqi and Zhonyuan Districts of ZhengZhoufrom 1986 to 1988 were investigated.
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