[1]       U.S.  Patent Number: 5,686,237            

       Patent Date:  November 11, 1997

Use of biomarkers in saliva to evaluate the toxicity of agents and the functions of tissues in both biomedical and environmental applications.

[2]      U.S.  Patent Number: 6,537,744             

      Patent Date:  March 25, 2003

Use of biomarkers in saliva to evaluate the toxicity of agents and the functions of tissues in both biomedical and environmental applications.