{{Cite journal| doi = 10.1186/s12877-021-02222-w| issn = 1471-2318 (Electronic) 1471-2318 (Linking)| volume = 21| issue = 1| pages = 269| last1 = Fournaise| first1 = A.| last2 = Nissen| first2 = S. K.| last3 = Lauridsen| first3 = J. T.| last4 = Ryg| first4 = J.| last5 = Nickel| first5 = C. H.| last6 = Gudex| first6 = C.| last7 = Brabrand| first7 = M.| last8 = Poulsen| first8 = L. M.| last9 = Andersen-Ranberg| first9 = K.| title = Translation of the updated clinical frailty scale 2.0 into Danish and implications for cross-sectoral reliability| journal = BMC Geriatr| date = 2021-04-23| pmid = 33882868}}