{{Cite journal| doi = 10.1186/s13049-018-0526-x| issn = 1757-7241 (Electronic) 1757-7241 (Linking)| volume = 26| issue = 1| pages = 60| last1 = Sauter| first1 = T. C.| last2 = Capaldo| first2 = G.| last3 = Hoffmann| first3 = M.| last4 = Birrenbach| first4 = T.| last5 = Hautz| first5 = S. C.| last6 = Kammer| first6 = J. E.| last7 = Exadaktylos| first7 = A. K.| last8 = Hautz| first8 = W. E.| title = Non-specific complaints at emergency department presentation result in unclear diagnoses and lengthened hospitalization: a prospective observational study| journal = Scand J Trauma Resusc Emerg Med| date = 2018-07-18| pmid = 30012186}}