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Prevalence of self-reported chronic conditions and poor health among older adults with and without vision impairment in China: a nationally representative cross-sectional survey

Crossref DOI link: https://doi.org/10.1136/bmjophth-2022-001211

Published Online: 2023-03-01

Published Print: 2023-03

Update policy: https://doi.org/10.1136/crossmarkpolicy

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