Turbuhaler or nebulizer therapy in severe COPD.
O'Driscoll
R
R
D001993:Bronchodilator Agents / Q000008:administration & dosage*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D009330:Nebulizers and Vaporizers
D001993:Bronchodilator Agents