COPD in nonsmokers, smokers share similar prevalence by US region - Healio

http://ifttt.com/images/no_image_card.pngCOPD in nonsmokers, smokers share similar prevalence by US region  Healio

There is a strong correlation between the state-level incidences of COPD in both nonsmoking and currently smoking populations, indicating that in certain U.S. ...



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