Y Li, T Ashcroft, A Chung, I Dighero, M Dozier… - Journal of global …, 2021 - ncbi.nlm.nih.gov
… risk factors of COVID-19 poor outcomes. Our review provides not only an appraisal and
synthesis of evidence on the risk factors of COVID-19 … of deaths due to COVID-19 hit 1.5 million. It …