1. Photoelectronic radiology department;Capp,1981
2. Digital subtraction angiography of the abdominal aorta and renal arteries;Buonocore;Radiology,1981
3. Philips 14′ Image Intensifier Philips Medical Systems, Eindhoven, Netherlands
4. Fuji Intelligent Diagnostic X-ray System Fuji Photo Film Co, Japan
5. Design and physical characteristics of a digital chest unit;Mattson,1981