title: The delicate topic of the impact factor.
authors.forename: B
authors.initials: B
authors.lastname: Kirchhof
authors.forename: N
authors.initials: N
authors.lastname: Bornfeld
authors.forename: F
authors.initials: F
authors.lastname: Grehn
mesh_terms: D015706:Bibliometrics; D016206:Databases, Bibliographic / Q000592:standards* / Q000706:statistics & numerical data; D006801:Humans; D009885:Ophthalmology / Q000592:standards*; D017712:Peer Review, Research; D010506:Periodicals as Topic / Q000592:standards* / Q000706:statistics & numerical data; D011643:Publishing / Q000706:statistics & numerical data