title: [The San Francisco Declaration--impact factor must not be used to assess an scientists contributions].
authors.forename: Juan
authors.initials: J
authors.lastname: Feng
authors.forename: Chao-Shu
authors.initials: CS
authors.lastname: Tang
mesh_terms: D055811:Journal Impact Factor; D010506:Periodicals as Topic; D011643:Publishing; D012106:Research; D012495:San Francisco