Gregoriano, Claudia, Kris Rafaisz, Philipp Schuetz, Beat Mueller, Christoph A. Fux, Anna Conen, and Alexander Kutz. “Burden of Disease in Patients Hospitalised With COVID-19 During the First and Second Pandemic Wave in Switzerland: A Nationwide Cohort Study”. Swiss Medical Weekly 153, no. 5 (May 3, 2023): 40068. Accessed December 10, 2024. https://smw.ch/index.php/smw/article/view/3327.