Electronic Cigarette Use in US Adults at Risk for or with COPD: Analysis from Two Observational Cohorts
Journal of General Internal Medicine (2017) - Comments
pubmed: 28884423  doi: 10.1007/s11606-017-4150-7  issn: 1525-1497  issn: 0884-8734 

Russell P. Bowler, Nadia N Hansel, Sean Jacobson, R. Graham Barr, Barry J. Make, MeiLan K. Han, Wanda K O'Neal, Elizabeth C Oelsner, Richard Casaburi, Igor Barjaktarevic, Chris Cooper, Marilyn Foreman, Robert A. Wise, Dawn L. DeMeo, Edwin K. Silverman, William Bailey, Kathleen F. Harrington, Prescott G. Woodruff, M. Bradley Drummond,