title: Roentgen appearance of pulmonary vascularity in the diagnosis of heart disease.
mesh_terms: D006331:Heart Diseases / Q000145:classification / Q000000981:diagnostic imaging* / Q000503:physiopathology; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D011652:Pulmonary Circulation; D011859:Radiography; D011877:Radionuclide Imaging; D012039:Regional Blood Flow