Severe Valvular Heart Disease and COVID-19: Results from the Multicenter International Valve Disease Registry. Issue 4 (4th July 2021) - Dvir, Danny; Simonato, Matheus; Amat-Santos, Ignacio; Latib, Azeem; Kargoli, Faraj; Nombela-Franco, Luis; Agrifoglio, Marco; Giannini, Francesco; Regazzoli, Damiano; Reimers, Bernhard; Villa, Emmanuel; M. Becerra-Muñoz, Victor; et al.