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book Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers cover

Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers

Edition 5ISBN: 978-1449665494
book Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers cover

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
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Air pollution is the contamination of th...

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Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers
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