title: [Biological research impact factors: 1998-2004].
authors.affiliation: Laboratorio de Ecología, Departamento de Ciencias Básicas & Programa IBAM, Universidad de Los Lagos, Osorno, Chile. jrau@ulagos.cl
authors.forename: Jaime R
authors.initials: JR
authors.lastname: Rau
mesh_terms: D015706:Bibliometrics; D001695:Biology / Q000706:statistics & numerical data*; D035843:Biomedical Research / Q000706:statistics & numerical data*; D006801:Humans; D010506:Periodicals as Topic / Q000706:statistics & numerical data*