{{Cite journal| doi = 10.1186/s13049-021-00866-6| issn = 1757-7241 (Electronic) 1757-7241 (Linking)| volume = 29| issue = 1| pages = 56| last1 = Muller| first1 = M.| last2 = Chanias| first2 = I.| last3 = Nagler| first3 = M.| last4 = Exadaktylos| first4 = A. K.| last5 = Sauter| first5 = T. C.| title = Falls in ED patients: do elderly patients on direct oral anticoagulants bleed less than those on vitamin K antagonists?| journal = Scand J Trauma Resusc Emerg Med| date = 2021-04-08| pmid = 33823884}}