Evolution of COVID-19 mortality over time: results from the Swiss hospital surveillance system (CH-SUR).
Roelens M, Martin A, Friker B, Sousa FM, Thiabaud A, Vidondo B, Buchter V, Gardiol C, Vonlanthen J, Balmelli C, Battegay M, Berger C, Buettcher M, Cusini A, Flury D, Heininger U, Niederer-Loher A, Riedel T, Schreiber PW, Sommerstein R, Troillet N, Tschudin-Sutter S, Vetter P, Bernhard-Stirnemann S, Corti N, Gaudenz R, Marschall J, Nussbaumer-Ochsner Y, Senn L, Vuichard-Gysin D, Zimmermann P, Zucol F, Iten A, Keiser O.
Roelens M, et al.
Swiss Med Wkly. 2021 Nov 24;151:w30105. doi: 10.4414/smw.2021.w30105. eCollection 2021 Nov 22.
Swiss Med Wkly. 2021.
PMID: 34843180
Free article.