{{Cite journal| doi = 10.1016/j.ejim.2017.09.013| issn = 1879-0828 (Electronic) 0953-6205 (Linking)| volume = 45| pages = 8–12| last1 = Bingisser| first1 = R.| last2 = Dietrich| first2 = M.| last3 = Nieves Ortega| first3 = R.| last4 = Malinovska| first4 = A.| last5 = Bosia| first5 = T.| last6 = Nickel| first6 = C. H.| title = Systematically assessed symptoms as outcome predictors in emergency patients| journal = Eur J Intern Med| date = 2017-10-28| pmid = 29074217}}