Dual use of e-cigarettes with conventional tobacco is associated

E-cigarettes: Facts, stats and regulations

Chemical Composition of Aerosol from an E-Cigarette: A Quantitative Comparison with Cigarette Smoke

Electronic cigarettes use and 'dual use' among the youth in 75 countries: estimates from Global Youth Tobacco Surveys (2014–2019)

Dual Smoking and Vaping Doesn't Cut Cardiovascular Risk

The Dynamics of Exhaled Aerosol Following the Usage of Heated Tobacco Product, Electronic Cigarette, and Conventional Cigarette - Aerosol and Air Quality Research

Number of participants with dual use of tobacco products and marijuana

Electronic Cigarettes (e-cigarettes)

Effects of e‐cigarettes and vaping devices on cardiac and pulmonary physiology - Tsai - 2020 - The Journal of Physiology - Wiley Online Library

E-cigarettes use in the United States: reasons for use, perceptions, and effects on health, BMC Public Health

Science has marched on: it's time to update the advice to Canadians – Physicians for a Smoke-Free Canada

Predicting the pulmonary effects of long-term e-cigarette use: are the clouds clearing?

Heart attack risk doubles for daily e-cigarette users

E-cigarettes: Facts, stats and regulations