{{Cite journal| doi = 10.1016/j.ajem.2016.04.007| issn = 1532-8171 (Electronic) 0735-6757 (Linking)| volume = 34| issue = 8| pages = 1394–9| last1 = Liu| first1 = S. W.| last2 = Sri-On| first2 = J.| last3 = Tirrell| first3 = G. P.| last4 = Nickel| first4 = C.| last5 = Bingisser| first5 = R.| title = Serious conditions for ED elderly fall patients: a secondary analysis of the Basel Non-Specific Complaints study| journal = Am J Emerg Med| date = 2016-05-03| pmid = 27133925}}