title: Authors' reply to Hasford.
authors.affiliation: Respiratory Unit, Aberdeen Royal Infirmary, Aberdeen AB25 2ZN, UK.
authors.forename: Graeme P
authors.initials: GP
authors.lastname: Currie
authors.forename: Graham
authors.initials: G
authors.lastname: Douglas
mesh_terms: D058666:Adrenergic beta-2 Receptor Agonists / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D006801:Humans; D008297:Male
chemical_list: D058666:Adrenergic beta-2 Receptor Agonists