Trend of asthma prevalence among children based on regional urbanization level in Japan; 2006-2019.

Environ Anal Health Toxicol · 2021 · PMC8850166 · PMID 34875832

Europe PMC DOI

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an increasing trendno p-value reported

Contrarily, reasons for an increasing trend in the prevalence of asthma in towns and villages are unknown because most of the air pollutant concentrations also decreased in these areas in the study period.

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