title: Systemic corticosteroids in stable chronic obstructive pulmonary disease. Do they work?
mesh_terms: D000305:Adrenal Cortex Hormones / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*
chemical_list: D000305:Adrenal Cortex Hormones