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

李浩, 张明鑫, 汪冉

The effects of regional geographical factors on children's respiratory diseases in Jingyuan, Ningxia

LI Hao, ZHANG Mingxin, WANG Ran

图3 2011—2015年泾源县儿童呼吸系统疾病发病率分布图

Fig. 3 2011-2015 distribution of children's respiratory diseases in Jingyuan county