TY - RPRT T1 - Explaining national differences in the mortality of Covid-19 : individual patient simulation model to investigate the effects of testing policy and other factors on apparent mortality PY - 2020/04/06 AU - Michaels J AU - Stevenson M ED - PB - School of Health and Related Research, СŷÊÓÆµ of Sheffield Y2 - 2025/04/30 ER -