No abstract available
MeSH terms
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Aged
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Biopsy
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Diagnosis, Differential
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Epstein-Barr Virus Infections / diagnosis*
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Epstein-Barr Virus Infections / immunology
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Female
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Humans
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Leukemia, Lymphocytic, Chronic, B-Cell / drug therapy
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Leukemia, Lymphocytic, Chronic, B-Cell / immunology
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Maxilla
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Oral Ulcer / immunology
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Oral Ulcer / virology*