{{Cite journal| doi = 10.1186/s12873-019-0254-1| issn = 1471-227X (Electronic) 1471-227X (Linking)| volume = 19| issue = 1| pages = 41| last1 = Spechbach| first1 = H.| last2 = Rochat| first2 = J.| last3 = Gaspoz| first3 = J. M.| last4 = Lovis| first4 = C.| last5 = Ehrler| first5 = F.| title = Patients' time perception in the waiting room of an ambulatory emergency unit: a cross-sectional study| journal = BMC Emerg Med| date = 2019-08-03| pmid = 31370794}}