H. Anwander, K. Klingberg, J. Gerber, P. Bednarski, A. Exadaktylos, and M. Müller, “Major trauma during COVID-19 in a level 1 trauma centre in Switzerland – a cohort study comparing the years 2020 and 2019”, Swiss Med Wkly, vol. 151, no. 3334, p. w30010, Aug. 2021.