title: In reply.
authors.forename: Michael
authors.initials: M
authors.lastname: Mehring
authors.forename: Antonius
authors.initials: A
authors.lastname: Schneider
authors.forename: Johannes
authors.initials: J
authors.lastname: Fexer
authors.forename: Ewan
authors.initials: E
authors.lastname: Donnachie
authors.forename: Manfred
authors.initials: M
authors.lastname: Keller
authors.forename: Frank
authors.initials: F
authors.lastname: Hofmann
authors.forename: Stefan
authors.initials: S
authors.lastname: Wagenpfeil
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D008485:Medical Audit; D010343:Patient Admission / Q000706:statistics & numerical data*; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy* / Q000453:epidemiology*; D013806:Theophylline / Q000627:therapeutic use*
chemical_list: D013806:Theophylline