{{Cite journal| doi = 10.1093/cid/ciaa1408| issn = 1537-6591 (Electronic) 1058-4838 (Print) 1058-4838 (Linking)| volume = 73| issue = 11| pages = –4189-e4196| last1 = Brahier| first1 = T.| last2 = Meuwly| first2 = J. Y.| last3 = Pantet| first3 = O.| last4 = Brochu Vez| first4 = M. J.| last5 = Gerhard Donnet| first5 = H.| last6 = Hartley| first6 = M. A.| last7 = Hugli| first7 = O.| last8 = Boillat-Blanco| first8 = N.| title = Lung Ultrasonography for Risk Stratification in Patients with Coronavirus Disease 2019 (COVID-19): A Prospective Observational Cohort Study| journal = Clin Infect Dis| date = 2020-09-18| pmid = 32940646}}