A Faricciotti, P Bucciarelli, A Vismara, T Porro, A Guariglia and R Castelli (2002) “Elevated levels of factor VIII:C, oral contraceptives and thrombosis: report of a case”, Haematologica. Pavia, Italy, 87(5), pp. ECR18-ECR18. doi: 10.3324/%x.