Source:
Saffari, A., Daher, N., Ruprecht, A., De Marco, C., Pozzi, P., & Boffi, R. et al. (2014). Particulate metals and organic compounds from electronic and tobacco-containing cigarettes: comparison of emission rates and secondhand exposure. Environ. Sci.: Processes Impacts, 16(10), 2259-2267.
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E-cigarettes, Ingredients