US Patent Number
A radiodiagnostic agent comprising a solid, insoluble nontoxic synthetic resin, such as polystyrene, bearing a detectable amount of technetium 99m thereon. This agent is useful for analyzing the gastrointestinal tract, for example, for gastric emptying time, by means of a gamma camera.
University of Kentucky Research Foundation, Lexington, Ky.
Digenis, George A.; Shambhu, Manvendra B.; and Theodorakis, Michael C., "Radiodiagnostic Agent" (1978). Pharmaceutical Sciences Faculty Patents. 139.