Demographic risk factors for COVID-19 infection, severity, ICU admission and death: a meta-analysis of 59 studies.
Bart G PijlsShahab JolaniAnique AtherleyRaissa T DerckxJanna I R DijkstraGregor H L FranssenStevie HendriksAnke RichtersAnnemarie Venemans-JellemaSaurabh ZalpuriMaurice P ZeegersPublished in: BMJ open (2021)
CRD42020180085.