[Chronic obstructive pulmonary disease].
D001993:Bronchodilator Agents / Q000627:therapeutic use; D032921:Consensus; D005541:Forced Expiratory Volume; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis / Q000188:drug therapy; D013030:Spain
D001993:Bronchodilator Agents