Prevalence of and Risk Factors for Childhood Asthma, Rhinitis, and Eczema in Hong Kong: Proposal for a Cross-Sectional Survey.

JMIR Res Protoc · 2017 · PMC5480011 · PMID 28592396

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a decreasing trendno p-value reported

Yet recent studies indicate wide global variation in the prevalence of asthma, allergic rhinoconjunctivitis (AR), and eczema, with a growing trend in developing countries and a plateau or even a decreasing trend in developed countries [ 6 ].

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