title: [Impact factor and the Portuguese Journal of Pulmonology: knockin' on heaven's door?].
authors.forename: J C
authors.initials: JC
authors.lastname: Winck
authors.forename: A
authors.initials: A
authors.lastname: Morais
mesh_terms: D055811:Journal Impact Factor; D010506:Periodicals as Topic; D011174:Portugal; D015272:Pulmonary Medicine