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Diagnosis of small pulmonary lesions by transbronchial lung biopsy with radial EBUS and virtual bronchoscopic navigation versus CT-guided transthoracic needle biopsy: a meta analysis

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국내 COPD 경제적 부담

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Different prevalence of asthma COPD overlap according to different definitions

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Outcome of Regular Inhaled Treatment in GOLD A Chronic Obstructive Pulmonary Disease Patients

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Survey of Quality of life and disease-related indirect burden in patient with COPD