Moga, M.; Bosca, A.; Bondor, C.; Ilea, A.; Lucaciu, O.; Ionel, A.; Man, M.; Rajnoveanu, R.; Câmpian, R. Assessment of the Correlations Between Nicotine Dependence, Exhaled Carbon Monoxide Levels and Oral Hygiene Status: An Observational Study. Medicine and Pharmacy Reports 2017, 90, 99-106.