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Thromboembolic diseases are currently one of the causes that endanger human health and lead to the highest mortality rate, such as myocardial infarction, cerebral thrombosis, deep vein thrombosis, cerebral embolism, pulmonary embolism, etc. In addition, thrombosis is an important pathological process involved in the pathogenesis of many diseases. 1. Anticoagulant therapy (1) Heparin: Heparin is a commonly used anticoagulant and is a highly sulfated glucosaminoglycan. Heparin is widely found in mammalian tissues, and mast cells are the main producing sites. The main sources of medicinal heparin are bovine lung and pig intestinal mucosa. Heparin used clinically is called unfraction heparin (UFH) because it is a mixture of components with different relative molecular weights. The relative molecular weight is between 33,000 and 30,000, which is also called standard heparin (SH). The drug name is heparin sodium. (2) Low molecular weight heparin: crude heparin is cracked into some fraction with relative molecular mass of 1000 ~ 12000 by chemical or enzymatic hydrolysis methods, and then purified. There are at least 10 kinds of low molecular weight heparin prepared by different manufacturers and different methods.Conners已更新！ 美国广播公司娱乐公司总裁Karey Burke宣布，美国广播公司电视网已下令第二季大一喜剧。安东尼·麦凯、詹米·多南加盟科幻惊悚片[同步](Synchronic，暂译)。艾伦·穆尔黑德、贾斯汀·本森([无尽])执导，贾斯汀·本森操刀剧本。麦凯、多南在片中饰演新奥尔良两名医护人员，一种离奇药物的出现导致了一系列恐怖死亡事件，两人的生活也被彻底打乱。XYZ Films负责该片国际发行。In Hunter's Notes, you can check the resistance of each weakness to different kinds of weapons (the resistance of weapons other than weaknesses is unknown)众人听了，都一齐盯着小丫鬟。红椒，我烤好了。