title: Journal impact factors for 2004: another rise for Thorax.
authors.affiliation: Thorax Editorial Office, BMA House, Tavistock Square, London WC1H 9JR, UK. j.a.wedzicha@medsch.ucl.ac.uk.
authors.forename: J A
authors.initials: JA
authors.lastname: Wedzicha
authors.forename: S L
authors.initials: SL
authors.lastname: Johnston
authors.forename: D M
authors.initials: DM
authors.lastname: Mitchell
mesh_terms: D015706:Bibliometrics; D010506:Periodicals as Topic / Q000592:standards*; D015272:Pulmonary Medicine