Journal of the American Geriatrics Society (Vol. 68, No. 11, November 2020).
onlinelibrary.wiley.com/toc/15325415/2020/68/11
Journals of Gerontology (A): Biological Sciences (Vol. 75A, No. 12, December 2020).
academic.oup.com/biomedgerontology/issue/75/12
Journals of Gerontology (B): Psychological Sciences (Vol. 75B, No. 10, December 2020).