Ni X, Xu N, Wang Q
Despite their efforts, there are still over 1 billion smokers in the world
Retailer Policies Individual retailers may enforce their own age requirements at the point of sale, regardless of legal requirements
For example, a 20mg/ml nicotine strength means that each milliliter of e-liquid contains 20 milligrams of nicotine, or 2%
Back to Journals Clinical Optometry Volume 7 Strategies to help patients stop smoking: the optometrist's perspective Received 31 May 2015 Accepted for publication 14 July 2015 Published 25 November 2015 Volume 2015:7 Pages 103113 DOI Checked for plagiarism Yes Review by Single anonymous peer review Peer reviewer comments 2 Editor who approved publication: Mr Simon Berry Ryan David Kennedy, 1,2 Ornell Douglas 2 1 Department of Health, Behavior and Society, Institute for Global Tobacco Control, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
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