最終更新日：2025/12/02
(medicine) One of the two entities making up chronic obstructive pulmonary disease (COPD), defined as having a productive cough for three months in each of two successive years in a patient in whom other causes of chronic cough have been excluded.
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chronic bronchitis
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元となった辞書の項目
chronic bronchitis
（ plural ）
（ plural ）
