No abstract available
MeSH terms
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Air Pollution
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Blood Donors*
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Carbon Monoxide / adverse effects
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Carboxyhemoglobin / analysis
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Environmental Exposure
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Female
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Hemoglobins / analysis*
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Humans
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Male
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Occupations
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Respiration
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Rural Population
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Smoking / complications
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Spectrophotometry
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United States
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Urban Population
Substances
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Hemoglobins
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Carbon Monoxide
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Carboxyhemoglobin