title: [Pioneers in oral x-ray diagnostics in Europe and the United States].
authors.forename: O C
authors.initials: OC
authors.lastname: Francke
mesh_terms: D003813:Dentistry; D049711:History, Modern 1601-; D011871:Radiology / Q000266:history*
vernacular_title: Pionjärer inom oral röntgendiagnostik i Europa och USA.