{{Cite journal| doi = 10.1111/j.1532-5415.2012.04026.x| issn = 1532-5415 (Electronic) 0002-8614 (Linking)| volume = 60| issue = 7| pages = 1372–3| last1 = Graf| first1 = C. E.| last2 = Giannelli| first2 = S. V.| last3 = Herrmann| first3 = F. R.| last4 = Sarasin| first4 = F. P.| last5 = Michel| first5 = J. P.| last6 = Zekry| first6 = D.| last7 = Chevalley| first7 = T.| title = Can we improve the detection of old patients at higher risk for readmission after an emergency department visit?| journal = J Am Geriatr Soc| date = 2012-07-14| pmid = 22788397}}