Bronchitis,Chronic
《英文msh詞典》Bronchitis,Chronic
[主題詞] Bronchitis,Chronic
[入口詞] Chronic Bronchitis
[中文釋義] 支氣管炎,慢性
[英文釋義] A subcategory of CHRONIC OBSTRUCTIVE PULMONARY DISEASE. The disease is characterized by hypersecretion of mucus accompanied by a chronic (more than 3 months in 2 consecutive years) productive cough. Infectious agents are a major cause of chronic bronchitis.