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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.北漂族张洋，因不满整天被领导骂，愤然辞职，决定与学长大崔创业，两人变卖了最后的家当，打造一款相亲APP。APP做好后，两人极尽可能挨家挨户的推广宣传，而一个月后，仍然一无所获，挫败的大崔和张洋发生争执，分道扬镳。倍感失落的张洋决定放弃，就在这时APP迎来了第一位有需求的会员张西西，项目经理，容貌未知，气质上乘。张洋为了留住会员，决定亲自赴约相亲，伴随着约会时间的临近，一场0元投资，1000000+收益的爱情游戏悄然开启。但是，在那里生活的人们至今仍抱有恐惧和不安街道像火熄灭了一样安静，失去了曾经的活力。Public Wrapper (Source source) {顾名思义，《心慌方·零》是《心慌方》系列的前传，影片更加详尽地解释了巨大、神秘、致命的立方体迷宫从何而来，以及为什么会有人被绑架、囚禁到其中。"Liu Guiduo was executed in the spring of 2016. While still inside, Once I walked past the room where Liu Guiduo was locked up in handcuffs and shackles. He saw me and raised his hand. At that time, he could only raise his right hand a little. He pointed at me and then withdrew it. He made a shot posture at the head with a smile on his face, just like I saw when he killed Second Officer Wang Yongbo. "