Bischof, Evelyne, Guoting Chen, and Maria Teresa Ferretti. “Understanding COVID-19 New Diagnostic Guidelines – a Message of Reassurance from an Internal Medicine Doctor in Shanghai”. Swiss Medical Weekly 150, no. 0910 (March 5, 2020): w20216. Accessed April 18, 2024. https://smw.ch/index.php/smw/article/view/2739.