Scholarly Article or Book Chapter Similarity of sputum mediator signatures between e cigarette users and COPD depends on GOLD stage and type of e cigarette: a pilot study ID: cj82kq34p Carolina The impact of electronic cigarette use on chronic obstructive pulmonary disease: A systematic review and meta analysis Respiratory Medicine Graphical review: The redox dark side of e cigarettes; exposure to oxidants and public health concerns ScienceDirect E Cigarettes May Cause COPD. Here's Why Prince Court Medical Centre E Cigarettes And Copd Smoking Cessation for COPD: Benefits & Tips Electronic Cigarette Use in US Adults at Risk for or with COPD: Analysis from Two Observational Cohorts Journal of General Internal Medicine Springer Nature Link