Mechanisms of E Cigarette Vape Induced Epithelial Cell Damage E Cigarettes Potentially Harmful: PET Imaging Shows More Lung Inflammation in Vapers than in Smokers Tobacco product use and the risks of SARS CoV 2 infection and COVID 19: current understanding and recommendations for future research The Lancet Respiratory Medicine Will chronic e cigarette use cause lung disease? Thoracic and Sleep Group Queensland