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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Absenteeism
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Adult
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Canada / epidemiology
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Cost of Illness*
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Efficiency
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Female
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Health Care Costs
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Humans
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Male
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Middle Aged
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Patient Acuity
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Pulmonary Disease, Chronic Obstructive* / diagnosis
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Pulmonary Disease, Chronic Obstructive* / economics
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Pulmonary Disease, Chronic Obstructive* / epidemiology
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Pulmonary Disease, Chronic Obstructive* / physiopathology
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Symptom Assessment / methods
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Work Performance*