Knowledge, perceptions, and experiences of e cigarettes among young adults in Cape Town, South Africa: Insights from focus groups to inform regulations and prevention strategies Frontiers Electronic cigarette use and consumption patterns in medical university students PDF) Electronic CigarettesA Narrative Review for Clinicians Flavored E Cigarettes Linked to Continued Student Vaping E Cigarettes: Good Idea? Bad Idea? BU Today Boston University The impact of electronic cigarettes on airway epithelial barrier integrity in preclinical mouse model American Journal of Physiology Lung Cellular and Molecular Physiology American Physiological Society