Investigation of the Efficacy of CARDIO Softgels PLUS Best-standard-of-care in the Recovery of Patients With COVID-19

Albert Schweitzer Kórház-Rendelőintézet, Hatvan, Hatvan

Markhot Ferenc Oktatókórház és Rendelőintézet, Eger, Eger

General Hospital Paracin, Paraćin

Hospital Universitario Cassiano Antonio de Morais, Vitória

- Instituto de Pesquisa Clínica de Campinas, Campinas

Instituto Santa Marta de Ensino e Pesquisa, Taguatinga

KGK Science Inc., London

The American British Cowdray Medical Center I.A.P., Mexico City