title: [Impact factor: what having one means to a scientific journal].
authors: Ji
authors: J
authors: de Granda-Orive
authors: R Aleixandre
authors: RA
authors: Benavent
authors: S Villanueva
authors: SV
authors: Serrano
mesh_terms: D015706:Bibliometrics; D006801:Humans; D010506:Periodicals as Topic; D011643:Publishing / Q000592:standards*; D015272:Pulmonary Medicine; D013030:Spain