title: [X-ray images in the past and now].
authors.forename: S W
authors.initials: SW
authors.lastname: Topp
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011859:Radiography / Q000266:history / Q000639:trends; D011871:Radiology / Q000266:history / Q000639:trends