Impact of the COVID-19 pandemic on coronary invasive procedures at two Italian high-volume referral centers. - Fileti L; Vecchio S; Moretti C; Reggi A; Aquilina M; Balducelli M; Santarelli A; Grosseto D; Piovaccari G; Rubboli A (Journal of cardiovascular medicine (Hagerstown, Md.), 2020)