COVID-19 illness severity and 2-year prevalence of physical symptoms: an observational study in Iceland, Sweden, Norway and Denmark https://www.medrxiv.org/content/10.1101/2023.04.18.23288720
COVID-19 illness severity and 2-year prevalence of physical symptoms: an observational study in Iceland, Sweden, Norway and Denmark https://www.medrxiv.org/content/10.1101/2023.04.18.23288720