1. Operational characteristics and quality control of imaging devices;Chandra,1987
2. Quality assurance of anger cameras;Graham,1984
3. The effect of high energy impurities on measurements of gamma-camera resolution and uniformity using Co-57 flood sources;Cranage;Br J Radiol,1979
4. High count rates cause non-uniformities in cobalt-57 flood images;Busemann Sokole;Eur J Nucl Med,1993
5. An iterative method for verifying systematic nonuniformities in refillable flood sources;English;J Nucl Med Technol,1984