title: [Densitometric studies of chest screen photographs].
mesh_terms: D003720:Densitometry / Q000295:instrumentation; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging; D010781:Photography; D013902:Radiography, Thoracic
vernacular_title: Densitometrische Untersuchungen von Lungenschirmbildern.