[1]
P. Ammann, A. Ulyte, S. R. Haile, M. A. Puhan, S. Kriemler, and T. Radtke, “Perceptions towards mask use in school children during the SARS-CoV-2 pandemic: descriptive results from the longitudinal Ciao Corona cohort study”, Swiss Med Wkly, vol. 152, no. 1516, p. w30165, Apr. 2022.