title: [Vascular shadow changes in roentgenograms of pneumoconiosis (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D006801:Humans; D008168:Lung / Q000098:blood supply* / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011009:Pneumoconiosis / Q000000981:diagnostic imaging*; D011859:Radiography