No abstract available
MeSH terms
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Aged
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Asthma / diagnosis*
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Asthma / epidemiology*
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Asthma / prevention & control
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Diagnosis, Differential
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Environment, Controlled
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Female
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Hospitalization / statistics & numerical data
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Humans
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Male
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Patient Compliance
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Pulmonary Disease, Chronic Obstructive / diagnosis
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Pulmonary Disease, Chronic Obstructive / epidemiology
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Pulmonary Disease, Chronic Obstructive / prevention & control
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United States / epidemiology