No abstract available
MeSH terms
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Adult
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Amyloid beta-Peptides / cerebrospinal fluid*
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Analysis of Variance
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Down Syndrome / cerebrospinal fluid*
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Enzyme-Linked Immunosorbent Assay
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Humans
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Male
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Middle Aged
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Peptide Fragments / cerebrospinal fluid*
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tau Proteins / cerebrospinal fluid*
Substances
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Amyloid beta-Peptides
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Peptide Fragments
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amyloid beta-protein (1-42)
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tau Proteins