{{Cite journal| doi = 10.1016/j.ejim.2019.07.018| issn = 1879-0828 (Electronic) 0953-6205 (Linking)| volume = 67| pages = –13-e15| last1 = Kellett| first1 = J.| last2 = Nickel| first2 = C. H.| last3 = Skyttberg| first3 = N.| last4 = Brabrand| first4 = M.| title = Is it possible to quickly identify acutely unwell patients who can be safely managed as outpatients? The need for a "Universal Safe to Discharge Score"| journal = Eur J Intern Med| date = 2019-07-29| pmid = 31351762}}