No abstract available
MeSH terms
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Adolescent
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Age Factors
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Aneuploidy
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Cell Nucleus / ultrastructure
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Child
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Female
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Humans
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Male
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Mass Screening / methods
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Mouth Mucosa / ultrastructure
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Sex Chromatin / analysis*
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Sex Chromosome Aberrations / diagnosis
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Sex Chromosome Aberrations / epidemiology*
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Sex Chromosomes / ultrastructure
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Sex Determination Analysis
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Siberia