Guidelines on Therapeutic Products to Treat Haemophilia and Other Hereditary Coagulation Disorders Introduction and methods, manufacture of therapeutic coagulation factor concentrates, safety data on which recommendations are based, licensing status, therapeutic guidelines, clinical audit and a review of the guidelines. http://www.medicine.ox.ac.uk/ohc/guidetop.htm

Molecular Genetics of Blood Clotting David Ginsburg, M.D: An article covering von Willebrand Factor, coagulation factor V, plasminogen activator inhibitor-1, primary pulmonary hypertension and bone marrow transplantation. http://www.hhmi.org/science/genetics/ginsburg.htm

Protein S Deficiency and Thrombophilia Information about these rare medical conditions, anticoagulant therapy, research and online forum. http://www.protein.org.uk/

Hypercoagulable States Thomas G. DeLoughery Associate Professor of Medicine defines this term and does an in depth article. http://www.ohsu.edu/som-hemonc/handouts/deloughery/hyper.shtml

Medline Plus: Congenital Protein C or S Deficiency Brief information about these hypercoagulability disorders including causes, treatment, and prognosis. http://www.nlm.nih.gov/medlineplus/ency/article/000559.htm

Viewpoint Online: Coagulation Features articles about blood coagulation disorders including activated protein C resistance, von Willbrand's disease, and hypercoagulability. http://www.beckmancoulter.com/Coulter/Techpubs/coagulation/

Medline Plus: Factor X Deficiency Information about this inherited disorder that causes abnormal bleeding including causes, treatment, and prognosis. http://www.nlm.nih.gov/medlineplus/ency/article/000553.htm

Medline Plus: Factor V Deficiency Provides brief information about this inherited bleeding disorder, which is similar to hemophilia. Includes causes, symptoms, and prognosis. http://www.nlm.nih.gov/medlineplus/ency/article/000550.htm

Medline Plus: Factor VII Deficiency Brief information about this inherited bleeding disorder including causes, symptoms, and prognosis. http://www.nlm.nih.gov/medlineplus/ency/article/000548.htm

Medline Plus: Factor XII Deficiency Also known as Hageman factor, this is a congenital coagulation disorder that causes prolonged coagulation in a test tube but does not cause abnormal bleeding. Includes brief information. http://www.nlm.nih.gov/medlineplus/ency/article/000545.htm

UIUC Hematology Resource Page Features diagrams and information about the various thrombophilic genetic markers, general information about clotting, glossary, and list of research sources. http://www-admin.med.uiuc.edu/hematology/

The Factor VIIa Source Information about topics related to the pathophysiology, pharmacology, and clinical aspects of bleeding, coagulation, and hemostasis, including information about recombinant coagulation Factor VIIa. http://FactorVIIa.com/

Excessive Blood Clotting Background, causes, symptoms, and treatment of hypercoagulability. http://www.aafp.org/afp/971015ap/971015a.html

Evaluation of Recurrent Thrombosis and Hypercoagulability American Academy of Family Physicians article discussing factors that contribute to excessive clotting. http://www.aafp.org/afp/971015ap/harris.html

Immune Thrombocytopenic Purpura What it is, symptoms of ITP, diagnosis, acute and chronic forms and treatment. http://www.nhlbi.nih.gov/health/dci/Diseases/Itp/ITP_WhatIs.html