Lewis, E. G., Breckons, M., Lee, R. P., Dotchin, C., & Walker, R. (2020). Rationing care by frailty during the COVID-19 pandemic. Age Ageing.
Chicago-tyylinen lähdeviittausLewis, Emma Grace, Matthew Breckons, Richard P. Lee, Catherine Dotchin, ja Richard Walker. "Rationing Care By Frailty During the COVID-19 Pandemic." Age Ageing 2020.
MLA-viiteLewis, Emma Grace, et al. "Rationing Care By Frailty During the COVID-19 Pandemic." Age Ageing 2020.
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