Long COVID has variable incidence and clinical presentations: our 6-country collaborative study
Sandor Szabo, Iryna Muzyka, Veronika Muller, Attila J. Szabo, Attila Szijártó, Klara Gyires, Tamas Doczi, Jozsef Janszky, Andreas Stengel, Siri Göpel, Antonia Trichopoulou, Rafael Diaz, Nicte...