Major increase in allergic sensitization in schoolchildren from 1996 to 2006 in northern Sweden

Hay fever, hygiene, and household size.

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Worldwide time trends in the prevalence of symptoms of asthma, allergic rhinoconjunctivitis, and eczema in childhood: ISAAC Phases One and Three repeat multicountry cross-sectional surveys

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International Study of Asthma and Allergies in Childhood (ISAAC): rationale and methods

MI Asher, Ulrich Keil, H R Anderson et al. · European Respiratory Journal · 1995 · 3.8K citations · Full text

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ALSPAC–The Avon Longitudinal Study of Parents and Children

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Exposure to endotoxin or other bacterial components might protect against the development of atopy

Von Mutius, Braun‐Fahrländer, Schierl et al. · Clinical & Experimental Allergy · 2000 · 588 citations

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