共 34 条
- [2] [Anonymous], 2002, Qualitative Research and Evaluation Methods
- [3] CBSNEWS, 2013, TOB CO BET EL CIG
- [4] CNBC, 2014, FEEL BLU E CIG CO SP
- [5] Electronic cigarettes in Canada: Prevalence of use and perceptions among youth and young adults [J]. CANADIAN JOURNAL OF PUBLIC HEALTH-REVUE CANADIENNE DE SANTE PUBLIQUE, 2014, 105 (02): : E97 - E102
- [9] Policymakers Work To Develop E-Cigarette Guidelines and Restrictions [J]. JNCI-JOURNAL OF THE NATIONAL CANCER INSTITUTE, 2015, 107 (07):
- [10] E-Cigarettes, Vaping, and Youth [J]. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 2014, 312 (06): : 595 - 596