scholarly journals Short-term effects of ambient fine particulate matter pollution on hospital visits for chronic obstructive pulmonary disease in Beijing, China

2018 ◽  
Vol 17 (1) ◽  
Author(s):  
Yaohua Tian ◽  
Xiao Xiang ◽  
Juan Juan ◽  
Jing Song ◽  
Yaying Cao ◽  
...  
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