Willett, N.P. , Rosen, S., Stafseth, H.J., Hunt. H.R., and Hoppert, C.A.: A Comparison of Salivary Protease Activity in the Hunt-Hoppert Caries-Resistant and Caries-Susceptible Rats, J. D. Res. 36: 223, 1957.
2.
Shaw, J.H., and Gupta, 0. P. : The Relation of a Chelating Agent to Smooth-Surface Lesions in the White Rat, J. Nutrition60: 311, 1956.
3.
Benarde, M.A. , Fabian, F.W., Rosen, S., Hoppert, C.A., and Hunt, H.R.: A Method for the Collection of Large Quantities of Saliva, J. D. Res. 35: 326, 1956.
4.
Folin, 0. , and Ciocalteu, V.: On Tyrosine and Tryptophane Determinations in Proteins, J. Biol. Chem. 73: 627, 1927.
5.
Herriott, R.M. : Acetylation of Tyrosine in Pepsin, J. Gen. Physiol. 19:283, 1935-36.
6.
Herriott, R.M. : Reaction of Folin's Reagent With Proteins and Biuret Compounds in the Presence of Cupric Ion, Proc. Soc. Exper. Biol. & Med. 46: 642, 1941.
7.
Lowry, 0. H., Rosebrough, N.J., Farr, A.L., and Randall, R.J.: Protein Measurement With the Folin Phenol Reagent, J. Biol. Chem. 193: 263, 1951.
8.
Shaw, J.H., Schweigert, B.S., McIntire, J.M., Elvehjem, C.A., and Phillips, P.H.: Dental Caries in the Cotton Rat. I. Methods of Study and Preliminary Nutritional Experiments, J. Nutrition28: 333, 1944.
9.
Hoppert, C.A. , Webber, P.A., and Canniff, T.L.: The Production of Dental Caries in Rats Fed an Adequate Diet, J. D. Res. 12: 161, 1932.