No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Aged
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Anxiety / complications*
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Comorbidity
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Depression / complications*
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Female
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Health Status
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Humans
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Male
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Middle Aged
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Psychometrics
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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 / psychology*
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Surveys and Questionnaires
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Symptom Assessment