Kesel, R.G., O'Donnell, J.F., Kirch, E.R., and Wach, E.C.: The Biological Production and Therapeutic Use of Ammonia in the Oral Cavity in Relation to Dental Caries Prevention, J. A. D. A. 33: 695, 1946.
2.
Kesel, R.G.: The Amino Acids and Their Deaminating Systems Present in Human Saliva, Am. J. Orthodontics & Oral Surg. 33: 68, 1947.
3.
Grove, C.T., and Grove, C.J. : The Biochemical Aspect of Dental Caries, D. Cosmos76: 1029, 1934.
4.
Grove, C.T., and Grove, C.J. : Chemical Studies of Human Saliva Indicating That Ammonia Is an Immunizing Factor in Dental Caries, J. A. D. A. 22: 247, 1935.
5.
Youngberg, G.E. : Salivary Ammonia and Its Relation to Dental Caries, J. D. Res. 15: 247, 1936.
6.
Kesel, R.G.: Private communication.
7.
Stephan, R.M. : Changes in Hydrogen-Ion Concentration on Tooth Surfaces and in Caries Lesions, J. A. D. A. 27: 718, 1940.
8.
Fosdick, L.S. , Campaigne, E., and Fancher, O.E.: Rate of Acid Formation in Carious Areas: The Etiology of Dental Caries, Illinois D. J. 10: 85, 1941.
