Factor V Leiden Causes, Symptoms and its Treatment & Prevention.

Activated Protein C Resistance -
 Discusses the thrombotic risks of this inherited disorder, also known as Factor V Leiden.
http://www.beckmancoulter.com/Coulter/Techpubs/coagulation/APC.asp

Factor Five Leiden Support -
Support for sufferers of the Factor Five Leiden blood clotting disorder, an inherited blood condition discovered in 1995. History, glossary, and meeting information (Oregon).
http://www.factorfiveleidensupport.org/

Living with Factor V Leiden -
 Factor V Leiden is the most common hereditary blood coagulation disorder in the United States. It is present in 5% of the American population.
http://www.fvleiden.org/

The Role of Activated Protein C Resistance in the Pathogenesis of Venous Thrombosis -
 Center for Disease Control's page discussing the background of this disorder including study results, testing, and complications.
http://www.cdc.gov/genomics/info/reports/research/protein_c.html

University of Illinois Patient Resources -
Description of factor V Leiden, its risks and treatment options. Also discusses the impact of other conditions on this disease.
http://www-admin.med.uiuc.edu/hematology/PtFacV2.htm

Yahoo! Groups: Leiden Factor V Support -
 Message board and chat room for people diagnosed with the Factor V Leiden genetic disorder.
http://groups.yahoo.com/group/leidenfactorvsupport/