title: The long way to impact factor.
authors.affiliation: Servicio de Oftalmología, Hospital Universitario Ramón y Cajal,IRYCIS, Universidad de Alcalá, Madrid, España. Electronic address: franciscojmunoz@telefonica.net.
authors.forename: F J
authors.initials: FJ
authors.lastname: Muñoz Negrete
mesh_terms: D006801:Humans; D055811:Journal Impact Factor