title: Tiotropium as an add-on therapy in patients with symptomatic asthma.
authors: Experimental Studies, National Heart and Lung Institute, Imperial College, London SW3 6LY, UK; Respiratory Biomedical Research Unit, Royal Brompton and Harefield National Health Service Trust and Imperial College London, London, UK. Electronic address: f.chung@imperial.ac.uk.
authors: Kian Fan
authors: KF
authors: Chung
mesh_terms: D000305:Adrenal Cortex Hormones / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D000068299:Salmeterol Xinafoate / Q000627:therapeutic use*; D000069447:Tiotropium Bromide / Q000627:therapeutic use*
chemical_list: D000305:Adrenal Cortex Hormones; D001993:Bronchodilator Agents; D000068299:Salmeterol Xinafoate; D000069447:Tiotropium Bromide