
Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers
Edition 5ISBN: 978-1449665494
Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers
Edition 5ISBN: 978-1449665494 Exercise 3
An ecologic study reports an increase in mortality in census tracts that have high levels of air pollution in comparison with less polluted census tracts. What are some possible alternative explanations for the findings of the study?
Explanation
Air pollution is the contamination of th...
Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers
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