Air pollution and COVID-19 mortality in the United States: Strengths and limitations of an ecological regression analysis

X. Wu, R. C. Nethery, M. B. Sabath, D. Braun, F. Dominici

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This PDF file includes:

• Materials and Methods
• Sections S1 to S5
• Figs. S1 to S3
• Tables S1 to S6
• References