Lung glutathione adaptive responses to cigarette smoke exposure Respiratory Research Springer Nature Link Is Tranexamic Acid Safe to Use During Pregnancy? Okdermo Adjunctive N Acetylcysteine and Lung Function in Pulmonary Tuberculosis NEJM Evidence The antioxidant N acetylcysteine promotes immune response and inhibits epithelial mesenchymal transition to alleviate pulmonary fibrosis in chronic obstructive pulmonary disease by suppressing the VWF p38 MAPK axis Molecular Medicine Springer