1. Ruggeri ZM Ware JL Ginsburg D. von Willebrand factor. Thrombosis and Hemorrhage, 305 29, 1993
2. Sadler JE. Von Willebrand disease. Haemostasis and Thrombosis, Churchill Livinstone, London 843 857, 1993
3. Guidelines for the diagnosis and management of von Willebrand disease.;UK von Willebrand Working Party.;Haemophilia,1997
4. A revised classification of von Willebrand disease.;Sadler;Thromb Haemost,1994
5. Actual management of von Willebrand disease: first report on 880 cases of the Italian Registry of vWD.;Federici;Blood,1997