Long-acting inhaled bronchodilators in COPD: how many drugs do we need?
Calverley
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PM
D000280:Administration, Inhalation; D001993:Bronchodilator Agents / Q000008:administration & dosage / Q000494:pharmacology*; D005541:Forced Expiratory Volume / Q000187:drug effects; D006801:Humans; D008176:Lung Volume Measurements; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy* / Q000503:physiopathology
D001993:Bronchodilator Agents