{{Cite journal| doi = 10.1093/qjmed/hcz140| issn = 1460-2393 (Electronic) 1460-2393 (Linking)| volume = 112| issue = 9| pages = 675–680| last1 = Lyngholm| first1 = L. E.| last2 = Nickel| first2 = C. H.| last3 = Kellett| first3 = J.| last4 = Chang| first4 = S.| last5 = Cooksley| first5 = T.| last6 = Brabrand| first6 = M.| title = A negative D-dimer identifies patients at low risk of death within 30 days: a prospective observational emergency department cohort study| journal = QJM| date = 2019-06-11| pmid = 31179506}}