title: Tiotropium step-up therapy in asthma.
authors.forename: Marek
authors.initials: M
authors.lastname: Lommatzsch
authors.forename: Peter
authors.initials: P
authors.lastname: Julius
authors.forename: Johann Christian
authors.initials: JC
authors.lastname: Virchow
mesh_terms: D001249:Asthma / Q000150:complications / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D005189:False Positive Reactions; D005541:Forced Expiratory Volume; D006801:Humans; D009765:Obesity / Q000150:complications*; D012602:Scopolamine Derivatives / Q000627:therapeutic use*; D000069447:Tiotropium Bromide; D014797:Vital Capacity
chemical_list: D001993:Bronchodilator Agents; D012602:Scopolamine Derivatives; D000069447:Tiotropium Bromide