Home » Dr. Shawn Varney, other docs advise against use of e-cigarettes, vaping » DEM Participates in 2018 International Conference on Emergency Medicine – Vietnam DEM Participates in 2018 International Conference on Emergency Medicine – Vietnam Published On: December 5, 2018Shared by fowlerd3 Article Categories: Dr. Shawn Varney, other docs advise against use of e-cigarettes, vaping, News