No abstract available
MeSH terms
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Adult
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Age Factors
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Aged
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Anemia, Pernicious / complications
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Blood Group Antigens
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Female
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Gastritis / complications
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Humans
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Italy
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Male
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Middle Aged
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Polyps / epidemiology
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Rh-Hr Blood-Group System
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Sex Factors
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Socioeconomic Factors
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Stomach Neoplasms / epidemiology*
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Stomach Neoplasms / etiology
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Stomach Ulcer / complications
Substances
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Blood Group Antigens
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Rh-Hr Blood-Group System