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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Diabetes Mellitus / epidemiology*
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Environmental Exposure
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Health Surveys
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Humans
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Hypertension / epidemiology*
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Male
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Middle Aged
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Occupational Diseases*
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Peptic Ulcer / epidemiology*
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Psychophysiologic Disorders
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Stress, Psychological*