Merck Manual
general information about the process of hemostasis and about thrombotic diseases

Thrombosis Interest Group of Canada
good source of information for both patients and health professionals about treating thrombotic diseases

American Heart Association
lots of information about heart attack and stroke

HealthlinkUSA
links to many sites with useful information about thrombosis

inate
information on thromboembolic disease (deep vein thrombosis and pulmonary embolism)

ISMAA
International Self-Monitoring Association for oral Anticoagulation -- their goal is to improve the quality of oral anticoagulant treatment through patient self-testing (PST)

Thrombosis Research Institute, London
easy to understand articles explaining about thrombosis and risk factors. Click on the "Public Pages" link

World Federation of Hemophilia
lots of information about hemophilia; check out the F.A.Q./Links page

UK Haemophilia Society
another site with much useful information about hemophilia

Shemophilia.org
a wealth of information for women with bleeding disorders

National Heart, Lung, and Blood Institute (NHLBI)
information about cardiovascular disease, etc. Click on the link labeled "Health Information".