Changes in children's asthma prevalence over two decades in Lanzhou: effects of socioeconomic, parental and household factors.

J Thorac Dis · 2020 · PMC7656413 · PMID 33209475

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an increasing trendno p-value reported

Limited evidence suggests an increasing trend of asthma prevalence in China over the last 30 years ( 6 , 7 ).

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