Oral antiviral treatment in patients with systemic rheumatic disease at risk for development of severe COVID-19: a case series. Issue 10 (14th June 2022) - Fragoulis, George E; Koutsianas, Christos; Fragiadaki, Kalliopi; Mariolis, Ilias; Panopoulos, Stylianos; Tsalapaki, Christina; Pappa, Maria; Dimitroulas, Theodoros; Tektonidou, Maria G; Vassilopoulos, Dimitrios; Sfikakis, Petros P