Coronavirus disease 2019 in elderly patients: Characteristics and prognostic factors based on 4-week follow-up.
J Infect. 2020 Jun;80(6):639-645. doi: 10.1016/j.jinf.2020.03.019. Epub 2020 Mar 30.
J Infect. 2020.
PMID: 32240670
Free PMC article.