Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Charlotta Pisinger and Martin Døssing,A systematic review of health effects of electronic cigarettes,Preventive Medicine,0091-7435,Elsevier BV,2014-12,69,,248-260,https://cir.nii.ac.jp/crid/1360292620391478272,https://doi.org/10.1016/j.ypmed.2014.10.009