Oxidants and Antioxidants Journal of The COPD Foundation Danggui Buxue Decoction and its active components alleviate COPD tracheal injury by regulating JAK STAT pathway and glutathione metabolism in Drosophila and rats ScienceDirect Treatment of stable COPD: antioxidants European Respiratory Society Stem Cell Therapy and PRP for COPD Dr. Padra Nourparvar Stem Cell & PRP Institute of L.A. Targeting Aging Pathways in Chronic Obstructive Pulmonary Disease Lung glutathione and oxidative stress: implications in cigarette smoke induced airway disease American Journal of Physiology Lung Cellular and Molecular Physiology American Physiological Society