No abstract available
MeSH terms
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Adolescent
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Antibody-Producing Cells
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Biopsy
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Child
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Chronic Disease
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Collagen / analysis
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Connective Tissue / pathology
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Epithelium / pathology
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Fibroblasts
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Gingiva / pathology*
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Gingivitis / etiology
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Gingivitis / metabolism
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Gingivitis / pathology*
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Humans
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Lymphocytes
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Microscopy, Electron
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Models, Biological