Cold spells linked with respiratory disease hospitalization, length of hospital stay, and hospital expenses: Exploring cumulative and harvesting effects

Jin Feng, Dawei Cao, Dashan Zheng, Zhengmin Qian, Cunrui Huang, Huiqing Shen, Yi Liu, Qiyong Liu, Jimin Sun, Guangyuan Jiao, Xiaoran Yang, Stephen Edward McMillin, Chongjian Wang, Hualiang Lin, Xinri Zhang, Shiyu Zhang