1. The management of coumarin-induced over-anticoagulation;Makris;Br. J. Haematol.,2001
2. Temporary discontinuation of warfarin therapy: changes in the international normalised ratio;White;Ann. Intern. Med.,1995
3. American heart association/American college of cardiology foundation guide to warfarin therapy;Hirsh;J. Am. Coll. Cardiol.,2003
4. Guidelines on oral anticoagulation;Baglin,1998
5. British committee for standards in haematology, blood transfusion task force;O'Shaughnessy;Br. J. Haematol.,2004