No abstract available
MeSH terms
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Adult
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Antibody Formation / immunology
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Antigen-Antibody Complex / analysis
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B-Lymphocytes / immunology
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Bacteria / immunology*
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Chronic Disease
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Complement C3 / analysis
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Fluorescent Antibody Technique
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Humans
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Immunity, Cellular / immunology
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Immunoglobulins / analysis
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Intestinal Diseases / immunology*
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Intestinal Diseases / microbiology
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Intestinal Secretions / immunology*
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Intestinal Secretions / microbiology
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Middle Aged
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T-Lymphocytes / immunology
Substances
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Antigen-Antibody Complex
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Complement C3
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Immunoglobulins