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KMID : 1141720180060020071
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2018 Volume.6 No. 2 p.71 ~ p.75
Kang Bo-Hyoung

Abstract
Chronic bronchitis is a common phenotype in chronic obstructive pulmonary disease. Patients with chronic bronchitis show accelerated decline in lung function, higher exacerbation frequency, poor quality of life, and worse mortality. Therefore, specific approach is needed for treating these patients.
KEYWORD
Chronic obstructive pulmonary disease, Chronic bronchitis, Cough, Sputum
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