TY - JOUR A1 - Green, M.S. A1 - Peer, V. A1 - Schwartz, N. A1 - Nitzan, D. T1 - The confounded crude case-fatality rates (CFR) for COVID-19 hide more than they reveal – a comparison of age-specific and age-adjusted CFRs between seven countries Y1 - 2020 DO - 10.1371/journal.pone.0241031 VL - 15 IS - 10 ER -