title: Undeclared motives in withdrawing a publication.
authors.forename: Peter C
authors.initials: PC
authors.lastname: Gøtzsche
authors.forename: Jan
authors.initials: J
authors.lastname: Maehlen
authors.forename: Per-Henrik
authors.initials: PH
authors.lastname: Zahl
mesh_terms: D018156:Journalism, Medical; D008327:Mammography / Q000706:statistics & numerical data*; D010506:Periodicals as Topic; D012180:Retraction of Publication as Topic; D013548:Sweden