title: The roentgen examination in occupational diseases of the lungs; a historical discussion of its use.
authors.forename: E P
authors.initials: EP
authors.lastname: PENDERGRASS
mesh_terms: D008168:Lung / Q000000981:diagnostic imaging*; D009784:Occupational Diseases; D011859:Radiography; D014965:X-Rays / Q000266:history
keywords: LUNGS/roentgenography; ROENTGEN RAYS/history