title: Five days of corticosteroid for exacerbations of COPD.
mesh_terms: D018450:Disease Progression; D005938:Glucocorticoids / Q000008:administration & dosage*; D006801:Humans; D011239:Prednisolone / Q000008:administration & dosage*; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*; D013997:Time Factors
chemical_list: D005938:Glucocorticoids; D011239:Prednisolone