Is COVID-19 the deadliest event of the last century? Published on 2021-05-172023-06-16 Journal: European heart journal [저자] Riccardo Di Pietro, Simone Calcagno, Giuseppe Biondi-Zoccai, Francesco Versaci [Category] MERS, SARS, PMC URL Pubmed URL [DOI] 10.1093/eurheartj/ehab083 [Source] PMC All Keywords