No abstract available
MeSH terms
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Cell Nucleus / microbiology*
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Cell Nucleus / ultrastructure
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Epithelium / microbiology
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Epithelium / ultrastructure
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Esophageal Neoplasms / microbiology*
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Esophageal Neoplasms / ultrastructure
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Humans
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Microscopy, Electron
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Viruses / isolation & purification*
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Viruses / ultrastructure