机译:American Spirit Pack Descriptors and Perceptions of Harm: A Crowdsourced Comparison of Modified Packs
Truth Initiat, Schroeder Inst Tobacco Res & Policy Studies, 900 G St NW,Fourth Floor, Washington, DC 20001 USA;
Johns Hopkins Bloomberg Sch Publ Hlth, Dept Hlth Behav & Soc, Baltimore, MD USA;
Survos, Washington, DC USA;