Am. Pub. Health Ass'n., Standard Methods for the Examination of Dairy Products, (New York City, 1941).
2.
Am. Pub. Health Ass'n., Standard Methods of Water Analysis, (New York City, 1923 ).
3.
Bibby, B.G. AND Maurer, D., Bacteria Counts on Saliva, J. D. Res., 20:258, 1941.
4.
Crowley, M.C. AND Rickert, U.G., A Method for Estimating the Bacterial Content of the Mouth by Direct Count, J. Bact., 30: 395, 1935.
5.
Ferier, W.A. AND Leonard, V., The Diurnal Tide of the Bacteria of the Mouth and its Use in Determining the Actual Value of Preparations Commonly Employed as Oral Antiseptics, D. Cosmos., 73:338, 1931.
6.
Hadley, F.P., A Quantitative Method for Estimating B. acidophilus in Saliva, J. D. Res., 13:415, 1933.
7.
Jay, P., Bacillus acidophilus and Dental Caries, J. A. D. A., 16 : 230, 1929.
8.
Jay, P., Nutrition and Dental Caries, J. New Jersey D. Soc., 15: 1944.
9.
JAY, P., Personal communication.
10.
Kesel, R., Dental Caries: Etiology, Control and Activity Tests, J. A. D. A., 30: 1, 1943.
11.
Nathan, J.R. , An Experimental Study on Various Caries Susceptibility Tests, Tufts D. Outlook, 19: 3, 1945.
12.
Rodriguez, F.E., Method of Determining Quantitatively Incidence of Lactobacillus acidophilus-odontolyticus in Oral Cavity, J. A. D. A., 17: 1711, 1930.
13.
Rodriguez, F.E., Quantitative Incidence of Lactobacillus acidophilus in the Oral Cavity as a Presumptive Index of Susceptibility to Dental Caries, J. A. D. A., 18: 2118, 1931 .
14.
Smolelis, J.M. , The Effects of Time and Temperature on growth of Lactobacillus acidophilus in Saliva, J. D. Res., 24: 3 and 4, 1945.
15.
Snyder, M.L. , The Occurrence of Lactobacillus and Other Acidogenic Organisms in the Saliva of Selected Caries-Free Children, J. D. Res., 18: 6, Dec. 1939.
16.
Snyder, M.L. , A Simple Colorimetric Method for the Estimation of Relative Numbers of Lactobacilli in the Saliva, J. D. Res. , 19: 349, 1940.
