title: The anterior view chest radiograph-criteria for normality derived from a basic analysis of the shadows. George Simon Lecture delivered at Exeter on 16 March 1974.
mesh_terms: D000368:Aged; D001995:Bronchography; D006332:Cardiomegaly / Q000000981:diagnostic imaging; D003964:Diaphragm / Q000000981:diagnostic imaging; D006321:Heart / Q000000981:diagnostic imaging; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008171:Lung Diseases / Q000000981:diagnostic imaging; D008875:Middle Aged; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D001261:Pulmonary Atelectasis / Q000000981:diagnostic imaging; D013902:Radiography, Thoracic; D014056:Tomography, X-Ray; D014132:Trachea / Q000000981:diagnostic imaging