title: Differential diagnosis: distinguishing between ghostwriting and professional medical writing in biomedical journals--reply.
authors: Department of Internal Medicine, Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain.
authors: Xavier
authors: X
authors: Bosch
mesh_terms: D001319:Authorship; D035081:Editorial Policies; D006801:Humans; D055811:Journal Impact Factor; D010506:Periodicals as Topic