No abstract available
MeSH terms
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Adult
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Aerospace Medicine*
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Age Factors
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Female
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Humans
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Male
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Occupational Diseases / epidemiology*
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Peptic Ulcer / epidemiology*
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Peptic Ulcer / mortality
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Peptic Ulcer Hemorrhage / epidemiology
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Peptic Ulcer Perforation / epidemiology
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Retrospective Studies
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Sex Factors