Inhaled corticosteroids in COPD.
D000280:Administration, Inhalation; D000305:Adrenal Cortex Hormones / Q000008:administration & dosage; D006801:Humans; D007958:Leukocyte Count / Q000187:drug effects; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D008264:Macrophages / Q000187:drug effects; D009504:Neutrophils / Q000187:drug effects; D013183:Sputum / Q000166:cytology*