Trends in Electronic Cigarette Use Among U.S. Adults: Use is Increasing in Both Smokers and Nonsmokers von McMillen, Robert C., Gottlieb, Mark A., Shaefer, Regina M. Whitmore, Winickoff, Jonathan P., Klein, Jonathan D.

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Maintenance of Certification Part 4 Credit and recruitment for practice-based research von Gorzkowski, Julie A, Klein, Jonathan D, Harris, Donna L, Kaseeska, Kristen R, Whitmore Shaefer, Regina M, Bocian, Alison B, Davis, James B, Gotlieb, Edward M, Wasserman, Richard C

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Attitudes about Cigarette Experimentation, Addiction, and Regulations to Protect Children from Addiction von Shaefer, Regina Whitmore, Gottlieb, Mark, Tanski, Susanne, McMillen, Robert, Klein, Jonathan D.

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