. 2018 Dec 6;4(4):e10834. doi: 10.2196/10834
©Christopher Tufts, Daniel Polsky, Kevin G Volpp, Peter W Groeneveld, Lyle Ungar, Raina M Merchant, Arthur P Pelullo. Originally published in JMIR Public Health and Surveillance (http://publichealth.jmir.org), 06.12.2018.
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Figure 3.
Proportion of messages versus prevalence. COPD: chronic obstructive pulmonary disease.