No abstract available
MeSH terms
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Biopsy
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Cytomegalovirus / isolation & purification*
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Cytomegalovirus Infections / complications*
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Cytomegalovirus Infections / diagnosis
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Female
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Gastroscopy
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Humans
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Middle Aged
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Stomach Ulcer / diagnosis
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Stomach Ulcer / etiology
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Stomach Ulcer / virology*