Kesel, R.G., O'Donnell, J.F., Kirch, E.R., and Wach, E.C.: Ammonia Production in the Oral Cavity and the Use of Ammonium Salts for the Control of Dental Caries, Am. J. Orthodont. & Oral Surg . 33: 80, 1947.
2.
Kesel, R.G.: The Effectiveness of Dentifrices, Mouthwashes, and Ammonia-Urea Compounds in the Control of Dental Caries, J. D. Res. 27: 244, 1948.
3.
Kerr, D.W., and Kesel, R.G.: The Conduct and Results of a Two-Year Caries Control Study Utilizing Oral Hygiene and an Ammoniated Dentifrice, J. A. D. A. 42: 180, 1951.