The impact of health QR code system on older people in...

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The impact of health QR code system on older people in China during the COVID-19 outbreak

Wang, Tiantian, Jia, Fei
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Journal:
Age and Ageing
DOI:
10.1093/ageing/afaa222
Date:
September, 2020
File:
PDF, 88 KB
2020
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