No abstract available
MeSH terms
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Anxiety / diagnosis
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Anxiety / epidemiology
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Anxiety Disorders
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Depression / diagnosis
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Depression / epidemiology
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Humans
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Pulmonary Disease, Chronic Obstructive* / complications
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Pulmonary Disease, Chronic Obstructive* / diagnosis
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Pulmonary Disease, Chronic Obstructive* / epidemiology
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Smokers*