1. Test pattern for video displays and hard-copy cameras;Gray;Radiology,1985
2. Defect perception in myocardial perfusion images (abstr);Watson;J Nucl Med,1980
3. Intensity discrimination and the duplicity theory of vision; color vision; visual acuity; flicker; after images; optical illusions;Willmer,1966
4. Spatial and temporal quantitation of plane thallium myocardial images;Watson;J Nucl Med,1981
5. Quantitative imaging with Tc-99m methoxyisobutyl isonitrile (RP-30): comparison with Tl-201 using a new background subtraction algorithm (abstr);Sinusas;Circulation,1987