Guangyuan Jiao

Ambient sulfur dioxide and hospital expenditures and length of hospital stay for respiratory diseases: A multicity study in China.

Qiyong Liu, M. Vaughn, Z. Qian, 2021, Ecotoxicology and environmental safety.

Ambient PM2.5 exposure and hospital cost and length of hospital stay for respiratory diseases in 11 cities in Shanxi Province, China

Yuming Guo, Hualiang Lin, Qiyong Liu, 2021, Thorax.

Associations of Ambient NO2 with Daily Hospitalization, Hospitalization Expenditure and Length of Hospital Stay of Cause-Specific Respiratory Diseases — Shanxi, China, 2017–2019

Qiyong Liu, Shiyu Zhang, Da-wei Cao, 2022, China CDC Weekly.