. 2017 Feb 27;19(2):e56. doi: 10.2196/jmir.5694
©Shyanika W Rose, Catherine L Jo, Steven Binns, Melissa Buenger, Sherry Emery, Kurt M Ribisl. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 27.02.2017.
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Figure 3.
Tweets by smoker status and sentiment (n=6657).