REDUCE: Short-term vs Conventional Glucocorticoid Therapy in Acute Exacerbations of COPD Posted on September 30, 2018 by admin 2013, 5 days vs 14 days Glucocorticoid Therapy in Acute Exacerbations of COPD, JAMA Pulmonology Chronic Obstructive Pulmonary Disease, COPD, glucocorticoids, lungs, smoking