title: The journal impact factor denominator: defining citable (counted) items.
authors.affiliation: Thomson Reuters, 3501 Market St, Philadelphia, PA 19104, USA. marie.mcveigh@thomsonreuters.com
authors.forename: Marie E
authors.initials: ME
authors.lastname: McVeigh
authors.forename: Stephen J
authors.initials: SJ
authors.lastname: Mann
mesh_terms: D055811:Journal Impact Factor