1. Radiographic features in aortic stenosis;Batson;Clin Radiol,1972
2. The plain radiograph in the diagnosis of cardiovascular disease;Chen;Radiol Clin North Am,1983
3. The chest roentgenogram and cardiac fluoroscopy;Chen,1994
4. Diagnostic Imaging in Internal Medicine;Eisenberg,1985
5. Pulmonary vascularity on the plain chest radiograph;Elliot;Cardiol Clin,1983