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- [2] Al-Shehri AH, 2008, ANN SAUDI MED, V28, P352
- [5] Barnes M., 2006, The social exclusion of older people: Evidence from the first wave of the English Longitudinal Study of Ageing (ELSA), Final report
- [6] Boyce N, 2020, SSRN ELECT J, DOI [10.2139/ssrn.3666238, DOI 10.2139/SSRN.3666238]
- [8] Center for Disease Control and Prevention (CDC), 2020, COR 2019 COVID 19 ST