No abstract available
MeSH terms
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CD4-Positive T-Lymphocytes / immunology
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CD8-Positive T-Lymphocytes / immunology
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Head and Neck Neoplasms / drug therapy*
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Head and Neck Neoplasms / immunology
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Hemangiosarcoma / drug therapy*
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Hemangiosarcoma / immunology
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Humans
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Male
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Middle Aged
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Neoplasm Recurrence, Local / drug therapy*
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Photochemotherapy*