1: Zhang Q, Tang X, Shen J. The efficacy and safety of low-molecular-weight heparin calcium combined with Xueshuantong injections in the treatment of elderly acute deep venous thrombosis patients. Am J Transl Res. 2021 Apr 15;13(4):3120-3128. 2: Yagi T, Nakamura H, Wakamatsu T, Imura Y, Tamiya H, Sabe H, Yamashita K, Watanabe M, Takenaka S. Primary breast angiosarcoma with disseminated intravascular coagulation is successfully treated with self-subcutaneous unfractionated heparin calcium injection: A case report. Mol Clin Oncol. 2021 May;14(5):104. doi: 10.3892/mco.2021.2266. Epub 2021 Mar 17. 3: He J, He L, Lu F, Geng B, Xia Y. Low-molecular-weight heparin calcium attenuates the tourniquet-induced ischemia-reperfusion injury in rats. Injury. 2021 Mar