No abstract available
Publication types
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Comment
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Diagnosis, Differential
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Female
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Humans
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Male
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Middle Aged
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Sjogren's Syndrome / blood*
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Sjogren's Syndrome / diagnosis
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Spinal Cord Diseases / blood*
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Spinal Cord Diseases / diagnosis
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Vitamin B 12 / blood*
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Vitamin B 12 Deficiency / blood*
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Vitamin B 12 Deficiency / diagnosis