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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England
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Female
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Fertility
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History, 19th Century
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History, 20th Century
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Humans
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Infant
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Infant Mortality
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Life Expectancy
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Male
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Maternal Mortality
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Middle Aged
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Morbidity*
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Mortality*
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Population Dynamics*
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Racial Groups
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Sex Factors
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United States