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This study examined the contribution of perceived social support to the presence of anxiety in persons with chronic obstructive pulmonary disease (COPD).A cross-sectional survey sample of 452 persons with COPD (61.3% female; 53.5% older than 65; 70.8% without a college degree or higher educational achievement, and 54.8% with household income of $40,000 or less) completed a telephone survey. Measures...