Increased hospital admissions for asthma from short-term exposure to cold spells in Beijing, China

Yuxiong Chen, Dehui Kong, Jia Fu, Yongqiao Zhang, Yakun Zhao, Yanbo Liu, Zhen’ge Chang, Yijie Liu, Xiaole Liu, Kai‐Feng Xu, Chengyu Jiang, Zhongjie Fan