No abstract available
MeSH terms
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Age Factors
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Attitude
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Birth Order
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Body Weight
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Child Development
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Family Characteristics
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Female
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Growth
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Humans
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Income
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Infant
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Infant Care
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Infant, Newborn
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Infant, Premature*
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Intelligence Tests
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Maternal Behavior
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Maternal Deprivation*
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Mother-Child Relations*
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Motor Skills
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Parity
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Sex Factors
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Social Class