COVID-19 causes significant dilation of lung blood vessels, indicates study 23 Σεπ 202021 Σεπ 2022 Επιστημονικά Νέα Νευροχειρουργικής https://www.news-medical.net/news/20200821/COVID-19-causes-significant-dilation-of-lung-blood-vessels-indicates-study.aspx