No abstract available
Publication types
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Multicenter Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Animals
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Asthma / epidemiology*
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Child
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Child, Preschool
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Epidemiologic Methods
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Family Characteristics
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Female
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Follow-Up Studies
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Germany
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Humans
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Hypersensitivity / epidemiology*
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Immune System / growth & development*
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Infant
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Infant, Newborn
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Infections / epidemiology*
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Male
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Microbiota / immunology*
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Nutritional Status
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Pets
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Respiratory Tract Infections / epidemiology
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Risk Factors
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Socioeconomic Factors