Figure 1
From: Air pollution and case fatality of SARS in the People's Republic of China: an ecologic study

The Correlation and Association between Short-term Exposure to Ambient Air Pollution and Case Fatality of SARS in People's Republic of China.
From: Air pollution and case fatality of SARS in the People's Republic of China: an ecologic study
The Correlation and Association between Short-term Exposure to Ambient Air Pollution and Case Fatality of SARS in People's Republic of China.