Source:http://linkedlifedata.com/resource/umls/id/C0272375
MSH: An absence or reduced level of Antithrombin III leading to an increased risk for thrombosis.,NCI: A rare disorder characterized by the presence of low levels of antithrombin III which prohibits the formation of blood clots. It may be inherited, usually in an autosomal dominant pattern, or acquired. It may lead to venous thrombosis and pulmonary embolism.