Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Raymond G. Boyle and Cassandra A. Stanton and Eva Sharma and Zhiqun Tang,Examining quit attempts and successful quitting after recent cigarette tax increases,Preventive Medicine,0091-7435,Elsevier BV,2019-01,118,,226-231,https://cir.nii.ac.jp/crid/1361137046175248512,https://doi.org/10.1016/j.ypmed.2018.11.008