Carreras, G., F. Monti, A. Lugo, S. Gallus, C. Stival, S. Molinaro, S. Cerrai, A. Odone, L. . Mastrobattista, C. Mortali, G. Gorini, and L. I. T. . Study Investigators. “Smoking Intensity Changes During the COVID-19 Pandemic Waves in a Cohort of Smokers in Italy”. Annali dell’Istituto Superiore Di Sanità, vol. 59, no. 3, Sept. 2023, pp. 219-22, doi:10.4415/ANN_23_03_08.