1. J. Fitzpatrick, R. B. Lenda. Chromatographic immunoassay device and method utilizing particle valency for quantitation. PCT/US97/05077, March 20, 1997.
2. J. Fitzpatrick, R. B. Lenda. Differential binding affinities and dissociation assays based thereon. U.S. patent 5,527,686, June 18, 1996.
3. J. Fitzpatrick, R. B. Lenda. Receptor: Release Ligand (Reland) Complexes and Release Assays Using Said Reland and Methods and Kits Based Thereon. U.S. patent 5,710,009, Jan. 20, 1998.
4. “Release radioimmunoassay”: Description of a new method and its application to the determination of human chorionic somatomammotropin plasma levels
5. W. J. Freytag. Immunoassay wherein labeled antibody is displaced from immobilized analyte-analog. U.S. patent 4,434,236, Feb. 28, 1984.