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Viewing distance, font size and symptoms of eyestrain in non-presbyopic and presbyopic smartphone users.
Ophthalmic Physiol Opt. 2025 Jan;45(1):269-279. doi: 10.1111/opo.13410. Epub 2024 Oct 25.
Ophthalmic Physiol Opt. 2025.
PMID: 39450682
Free PMC article.
Household Vulnerability to Food Insecurity in Rural South Africa: Evidence from a Nationally Representative Survey Data.
Mthethwa S, Wale E.
Mthethwa S, et al.
Int J Environ Res Public Health. 2021 Feb 17;18(4):1917. doi: 10.3390/ijerph18041917.
Int J Environ Res Public Health. 2021.
PMID: 33671120
Free PMC article.
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