区域地理环境因素对宁夏泾源县儿童呼吸系统疾病的影响 |
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李浩, 张明鑫, 汪冉 | ||||||||||||
The effects of regional geographical factors on children's respiratory diseases in Jingyuan, Ningxia |
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LI Hao, ZHANG Mingxin, WANG Ran | ||||||||||||
表1 因子交互作用类型 |
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Tab. 1 The types of factor interaction expression |
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