Published on in Vol 9 (2023)
![Associations Between Hourly Ambient Particulate Matter Air Pollution and Ambulance Emergency Calls: Time-Stratified Case-Crossover Study Associations Between Hourly Ambient Particulate Matter Air Pollution and Ambulance Emergency Calls: Time-Stratified Case-Crossover Study](https://asset.jmir.pub/assets/448904a083205f5eb26570ed17cf1c7c.png 480w,https://asset.jmir.pub/assets/448904a083205f5eb26570ed17cf1c7c.png 960w,https://asset.jmir.pub/assets/448904a083205f5eb26570ed17cf1c7c.png 1920w,https://asset.jmir.pub/assets/448904a083205f5eb26570ed17cf1c7c.png 2500w)
1 Shenzhen Center for Prehospital Care, Shenzhen, China
2 Department of Global Health, Peking University School of Public Health, Beijing, China
3 School of Public Health, Capital Medical University, Beijing, China
4 School of Computer Science, Peking University, Beijing, China
5 National Engineering Research Center of Software Engineering, Peking University, Beijing, China
6 School of Public Health and Emergency Management, Southern University of Science and Technology, Shenzhen, China
7 Institute for Global Health and Development, Peking University, Beijing, China
8 China National Environmental Monitoring Centre, Beijing, China
*these authors contributed equally