Glutathione and glutamate levels in the diaphragm of patients with chronic obstructive pulmonary disease European Respiratory Society Effects of Mycolytics Antioxidants in the Manage ment of Patients with Download Table Adjunctive N Acetylcysteine and Lung Function in Pulmonary Tuberculosis NEJM Evidence Effect of high dose N acetylcysteine on exacerbations and lung function in patients with mild to moderate COPD: a double blind, parallel group, multicentre randomised clinical trial Nature Communications Lung glutathione adaptive responses to cigarette smoke exposure Respiratory Research Springer Nature Link