No abstract available
MeSH terms
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Adult
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Aged
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Aging
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Asian People
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British Columbia
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Environmental Exposure
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Ethnology
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Humans
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India
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Indians, North American
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Male
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Middle Aged
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Occupational Diseases / epidemiology*
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Pterygium / epidemiology*
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Taiwan
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Thailand
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Ultraviolet Rays
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White People