Bloem, B R Superior sagittal sinus thrombosis in a patient heterozygous for the novel 20210 A allele of the prothrombin gene. [electronic resource] - Thrombosis and haemostasis Jan 1998 - 235 p. digital Publication Type: Case Reports; Letter ISSN: 0340-6245 Subjects--Topical Terms: AdultAllelesCranial SinusesFemaleHeterozygoteHumansProthrombin--geneticsSinus Thrombosis, Intracranial--genetics