{{Cite journal| doi = 10.1016/j.amjsurg.2021.11.021| issn = 1879-1883 (Electronic) 0002-9610 (Linking)| volume = 223| issue = 6| pages = 1194–1199| last1 = Jakob| first1 = D. A.| last2 = Lewis| first2 = M.| last3 = Benjamin| first3 = E. R.| last4 = Mitchao| first4 = D. P.| last5 = Exadaktylos| first5 = A. K.| last6 = Demetriades| first6 = D.| title = Timing of venous thromboembolic pharmacological prophylaxis in traumatic combined subdural and subarachnoid hemorrhage| journal = Am J Surg| date = 2021-11-24| pmid = 34809908}}