Long-term exposure to PM<sub>2.5</sub> and mortality in a national cohort in South Korea: effect modification by community deprivation, medical infrastructure, and greenness.

BMC Public Health · 2024 · PMC11080206 · PMID 38720292

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a decreasing trendno p-value reported

Generally, there has been a decreasing trend in PM 2.5 levels over the years in most provinces.

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