. 2015 Jan 21;17(1):e24. doi: 10.2196/jmir.3665
©Yunji Liang, Xiaolong Zheng, Daniel Dajun Zeng, Xingshe Zhou, Scott James Leischow, Wingyan Chung. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 21.01.2015.
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Figure 2.
Statistical features of tobacco brands on Facebook.