DIURNAL VARIABILITY IN PEAK EXPIRATORY FLOW WITH TIOTROPIUM RESPIMAT (R) IN ADULTS WITH SEVERE, MODERATE AND MILD SYMPTOMATIC ASTHMA

HUW DAVIES, RENÉ AALBERS, THOMAS CASALE, PETRA MORONI-ZENTGRAF, BENJAMIN VAN HECKE, RALF SIGMUND, HUIB KERSTJENS Respiratory Medicine, Repatriation General Hospital And Flinders University, Adelaide, Australia, Department of Pulmonary Disease, Martini Hospital, Groningen, The Netherlands, Division of Allergy and Immunology, University of South Florida, Tampa, FL, USA, Boehringer Ingelheim Pty Ltd, New South Wales, Australia, Boehringer Ingelheim Pharma GmbH & Co KG, Biberach an der Riss, Germany, and University of Groningen, University Medical Centre Groningen, Department of Pulmonary Medicine and Tuberculosis, and Groningen Research Institute for Asthma and COPD, The Netherlands