title: Reply to Professor Taylor.
authors.affiliation: Leeds Adult Cystic Fibrosis Unit, St. James's University Hospital, Leeds, UK. Electronic address: daniel.peckham@btinternet.com.
authors.forename: Daniel
authors.initials: D
authors.lastname: Peckham
authors.affiliation: Leeds Adult Cystic Fibrosis Unit, St. James's University Hospital, Leeds, UK.
authors.forename: Paul
authors.initials: P
authors.lastname: Whitaker
mesh_terms: D003550:Cystic Fibrosis / Q000188:drug therapy*; D006801:Humans