No abstract available
MeSH terms
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Aged
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Diagnosis, Differential
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HLA Antigens / analysis
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HLA-DR Antigens / analysis
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HLA-DR Antigens / classification
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Humans
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Lupus Erythematosus, Systemic / complications
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Lupus Erythematosus, Systemic / diagnosis*
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Lupus Erythematosus, Systemic / immunology
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Serologic Tests
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Sjogren's Syndrome / complications
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Sjogren's Syndrome / diagnosis*
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Sjogren's Syndrome / immunology
Substances
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HLA Antigens
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HLA-DR Antigens