[1]Department of Respiratory;
Zigong Third People''s Hospital in Sichuan Province;
Zigong;
Sichuan;
643020;
[1]Department of Respiratory;
Zigong Third People''s Hospital in Sichuan Province;
Zigong;
Sichuan;
643020;
[2]Department of Respiratory and Critical Care Medicine;
West China Hospital;
Sichuan University;
Chengdu;
Sichuan;
610041;
Stable chronic obstructive pulmonary disease; N-acetylcysteine; Oxidative stress; Inflammation; Airway remodeling;