{{Cite journal| doi = 10.1186/1757-7241-21-15| issn = 1757-7241 (Electronic) 1757-7241 (Linking)| volume = 21| issue = 1| pages = 15| last1 = Nickel| first1 = C. H.| last2 = Ruedinger| first2 = J. M.| last3 = Messmer| first3 = A. S.| last4 = Maile| first4 = S.| last5 = Peng| first5 = A.| last6 = Bodmer| first6 = M.| last7 = Kressig| first7 = R. W.| last8 = Kraehenbuehl| first8 = S.| last9 = Bingisser| first9 = R.| title = Drug-related emergency department visits by elderly patients presenting with non-specific complaints| journal = Scand J Trauma Resusc Emerg Med| date = 2013-03-19| pmid = 23497667}}