title: Tiotropium in asthma - Authors' reply.
authors.affiliation: University of Groningen, Department of Pulmonary Medicine, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, Netherlands. Electronic address: h.a.m.kerstjens@umcg.nl.
authors.forename: Huib A M
authors.initials: HA
authors.lastname: Kerstjens
authors.affiliation: University of Groningen, Department of Pulmonary Medicine, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, Netherlands.
authors.forename: Petra
authors.initials: P
authors.lastname: Moroni-Zentgraf
authors.affiliation: University of Groningen, Department of Pulmonary Medicine, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, Netherlands.
authors.forename: Eric D
authors.initials: ED
authors.lastname: Bateman
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