Dong L, Hu S, Gao J. Discovering drugs to treat coronavirus disease 2019 (COVID-19). Drug Discov Ther. 2020;14(1):58–60. doi:10.5582/ddt.2020.01012 https://t.co/iiOsMZV9HV

Venous circle of Trolard is important because this enables venous collaterals in R-L and A-P direction. AV shunt in the anterior location results in hemorrhage at contralateral posterior location. dAVF at anterior fossa causes cerebellar hemorrhage. https://t.co/zbK3B7vYi9 https://t.co/ZocZgZhuiS