References
1. Ward A, Sarraju A, Lee D, et al. COVID-19 is associated with higher risk of venous thrombosis, but not arterial thrombosis, compared with influenza: Insights from a large US cohort. medRxiv . Published online October 18, 2021:2021.10.15.21264137. doi:10.1101/2021.10.15.21264137
2. Loo J, Spittle DA, Newnham M. COVID-19, immunothrombosis and venous thromboembolism: biological mechanisms. Thorax . 2021;76(4):412-420. doi:10.1136/thoraxjnl-2020-216243
3. Santosa YP, Yuwono A. Two Different Clinical Presentations of Acute Limb Ischemia Caused by Acute Thrombotic Events in COVID-19.Cureus . 13(9):e17916. doi:10.7759/cureus.17916
4. Alramthan A, Aldaraji W. Two cases of COVID‐19 presenting with a clinical picture resembling chilblains: first report from the Middle East. Clin Exp Dermatol . 2020;45(6):746-748. doi:10.1111/ced.14243
5. Bouaziz JD, Duong TA, Jachiet M, et al. Vascular skin symptoms in COVID‐19: a French observational study. J Eur Acad Dermatol Venereol . 2020;34(9). doi:10.1111/jdv.16544
6. Galván Casas C, Català A, Carretero Hernández G, et al. Classification of the cutaneous manifestations of COVID ‐19: a rapid prospective nationwide consensus study in Spain with 375 cases.Br J Dermatol . 2020;183(1):71-77. doi:10.1111/bjd.19163
7. Azer SA. COVID-19: pathophysiology, diagnosis, complications and investigational therapeutics. New Microbes and New Infections . 2020;37:100738. doi:10.1016/j.nmni.2020.100738
8. Becker RC. COVID-19 update: Covid-19-associated coagulopathy. J Thromb Thrombolysis . Published online May 15, 2020:1-14. doi:10.1007/s11239-020-02134-3