Fernández, E; Ballbè, M; Sureda, X; Fu, M; Saltó, E; Martínez-Sánchez, JM. Particulate Matter from Electronic Cigarettes and Conventional Cigarettes: a Systematic Review and Observational Study.. Current Environmental Health Reports. December 2015, 2 (4): 423–9. PMID 26452675. doi:10.1007/s40572-015-0072-x.
Fernández, E; Ballbè, M; Sureda, X; Fu, M; Saltó, E; Martínez-Sánchez, JM. Particulate Matter from Electronic Cigarettes and Conventional Cigarettes: a Systematic Review and Observational Study.. Current Environmental Health Reports. December 2015, 2 (4): 423–9. PMID 26452675. doi:10.1007/s40572-015-0072-x.