3Bousser MG, Russell RR. Cerebral venous thrombosis. London: W B Saunders, 1997:301-325.
4Ros HS, Lichtenstein P, Bellocco R, et al. Increased risks of circulatory diseases in late pregnancy and puerperium. Epidemiology, 2001, 12 (4) : 456-460.
5Lanska D J, Kryscio RJ. Risk factors for peripartum and postpartum stroke and intraeranial venous thrombosis. Stroke , 2000, 31 ( 6 ) : 1274 -1282.
6Davie CA, OBrien P. Stroke and pregnancy. J Neurol Neurosurg Psychiatry, 2008, 79 (3) : 240-245.
7Cantu C, Barinagarrementeria F. Cerebral venous thrombosis associated with pregnancy and puerperium. Review of 67 cases. Stroke, 1993, 24 (12) : 1880-1884.
8Virapongse C, Cazenave C, Quisling R, et al. The empty delta sign: frequency and significance in 76 cases of dural sinus thrombosis. Radiology, 1987, 162 (3): 779-785.