COVID-19 does not stop good practice in smoking cessation: Safe use of CO analyzer for smokers in the Covid era E. Munarini, C. Veronese, A.C. Ogliari, F. Allegri, M.G. Bolchi, R. Boffi

Smoking behavior and secondhand smoke exposure among university students in northern Portugal: Relations with knowledge on tobacco use and attitudes toward smoking R.F. Alves, J. Precioso, E. Becoña

Smoking exposure trajectories and pulmonary function in early adulthood in a Brazilian cohort P. Weber, A.M.B. Menezes, H. Gonçalves, P.D. de Oliveira, A. Wendt, R. Perez-Padilla, F.C. Wehrmeister