title: The fifth X-ray discovery stage.
authors.forename: L A
authors.initials: LA
authors.lastname: WASSERSUG
mesh_terms: D006801:Humans; D011859:Radiography / Q000266:history*; D013679:Technology, Radiologic / Q000266:history*
keywords: ROENTGENOLOGY/history
vernacular_title: O cinqũentenário da descoberta dos raios X.