Y Ma, L Hou, X Yang, Z Huang, X Yang, N Zhao, M He… - BMC Medicine, 2020 - cir.nii.ac.jp
抄録< jats: title> Abstract</jats: title>< jats: sec>< jats: title> Background</jats: title>< jats: p>
The coronavirus disease 2019 (COVID-19) has been a pandemic worldwide. Old age and …