title: Prevalence of ghostwriting spurs calls for transparency.
authors.forename: Roger
authors.initials: R
authors.lastname: Collier
mesh_terms: D001319:Authorship; D035843:Biomedical Research / Q000941:ethics; D030881:Disclosure / Q000941:ethics*; D035081:Editorial Policies; D006801:Humans; D010506:Periodicals as Topic / Q000941:ethics*; D015871:Scientific Misconduct / Q000941:ethics*