Childhood acquisition of Helicobacter pylori linked to reduced asthma and allergy risk.
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D017668:Age of Onset; D001249:Asthma / Q000453:epidemiology*; D002648:Child; D016481:Helicobacter Infections / Q000453:epidemiology*; D016480:Helicobacter pylori; D006801:Humans; D006967:Hypersensitivity / Q000453:epidemiology*; D012307:Risk Factors