title: [Air trapping in COPD].
authors.forename: Harald
authors.initials: H
authors.lastname: Mitfessel
mesh_terms: D001993:Bronchodilator Agents / Q000627:therapeutic use*; D004417:Dyspnea / Q000188:drug therapy / Q000451:nursing*; D019317:Evidence-Based Medicine; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy / Q000451:nursing*; D016032:Randomized Controlled Trials as Topic; D012602:Scopolamine Derivatives / Q000627:therapeutic use*; D000069447:Tiotropium Bromide
chemical_list: D001993:Bronchodilator Agents; D012602:Scopolamine Derivatives; D000069447:Tiotropium Bromide