S Hägg, J Jylhävä, Y Wang, H Xu, C Metzner… - Journal of the American …, 2020 - cir.nii.ac.jp
Age, Frailty, and Comorbidity as Prognostic Factors for Short-Term Outcomes in Patients With
Coronavirus Disease 2019 in Geriatric Care | CiNii Research CiNii 国立情報学研究所 学術情報 …