________ is defined as the presence of productive cough during 3 months of the year for 2 consecutive years, provided that other causes of chronic sputum production are excluded.

Question

Quizplus · Accepted Answer

The Answer of ________ is defined as the presence of productive cough during 3 months of the year for 2 consecutive years, provided that other causes of chronic sputum production are excluded.

________ Is Defined as the Presence of Productive Cough During