I think this is the original article, legally, for free: http://scholar.harvard.edu/files/afriedman/files/how_do_electronic_cigarettes_affect_adolescent_smoking

I think this is the original article, legally, for free: http://scholar.harvard.edu/files/afriedman/files/how_do_electronic_cigarettes_affect_adolescent_smoking_circulate_0.pdf http://scholar.harvard.edu/files/afriedman/files/how_do_elec... Protip: google the article's name + pdf, and quite often you'll find the original on the author's website.