Study shows why coronavirus is more dangerous in people with comorbidities 23 Σεπ 202021 Σεπ 2022 Επιστημονικά Νέα Νευροχειρουργικής https://www.news-medical.net/news/20200903/Study-shows-why-coronavirus-is-more-dangerous-in-people-with-comorbidities.aspx