See I, Su JR, Lale A, Woo EJ, et al. US Case Reports of Cerebral Venous Sinus Thrombosis With Thrombocytopenia After Ad26.COV2.S Vaccination, March 2 to April 21, 2021. JAMA 2021 Apr 30. pii: 2779731. doi: 10.1001/jama.2021.7517.
PMID: 33929487