Haag C, Höglinger M, Moser A, Hämmig O, Puhan MA, von Wyl V. Social mixing and risk exposures for SARS-CoV-2 infections in elderly persons. Swiss Med Wkly [Internet]. 2020 Dec. 5 [cited 2024 Apr. 24];150(4950):w20416. Available from: https://smw.ch/index.php/smw/article/view/2918