{{Cite journal| doi = 10.1093/ofid/ofab524| issn = 2328-8957 (Print) 2328-8957 (Electronic) 2328-8957 (Linking)| volume = 8| issue = 12| pages = –524| last1 = Sendi| first1 = P.| last2 = Baldan| first2 = R.| last3 = Thierstein| first3 = M.| last4 = Widmer| first4 = N.| last5 = Gowland| first5 = P.| last6 = Gahl| first6 = B.| last7 = Buchi| first7 = A. E.| last8 = Guntensperger| first8 = D.| last9 = Wider| first9 = M.| last10 = Blum| first10 = M. R.| last11 = Tinguely| first11 = C.| last12 = Maillat| first12 = C.| last13 = Theel| first13 = E. S.| last14 = Berbari| first14 = E.| last15 = Dijkman| first15 = R.| last16 = Niederhauser| first16 = C.| title = A Multidimensional Cross-Sectional Analysis of Coronavirus Disease 2019 Seroprevalence Among a Police Officer Cohort: The PoliCOV-19 Study| journal = Open Forum Infect Dis| date = 2021-12-11| pmid = 34888394}}