No abstract available
MeSH terms
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Adolescent
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Adult
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Age Factors
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Aged
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Child
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Child, Preschool
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Female
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Humans
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Infant
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Infant, Newborn
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Male
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Middle Aged
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Rheumatic Fever / epidemiology*
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Rheumatic Heart Disease / epidemiology*
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Scandinavian and Nordic Countries
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Sex Factors
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Sweden