Fertig, J.W. , and Chilton, N.W.: An Appraisal of Various Methods Employed to Analyze the Clinical Effectiveness of Caries-Inhibitory Agents, Am. J. Pub. Health42: 825, 1952.
2.
Clinical Testing of Dental Caries Preventives, American Dental Association, Chicago, 1955 .
3.
Russell, A.L. : Clinical Testing of Dental Caries Preventives , J. A. D. A. 54: 275, 1957.
4.
Bradford Hill, A.: The Clinical Trial, Brit. M. Bull.7: 278, 1951; New England J. Med.247: 113, 1952.
5.
Fertig, J.W. : Design of Medical Experiments, TexasRep. Biology & Med. 13: 758, 1955.
6.
Perlman, S.: Essential Requirements for Effective Research in Dental Therapeutics, J. A. D. A. 48: 49, 1954.
7.
Hein, J.W.: Auxiliary Tests to Accompany Clinical Trial of Caries Preventive Agents, in Clinical Testing of Dental Caries Preventives, American Dental Association , 1955, pp. 56-60.
8.
Chilton, N.W. , and Fertig, J.W.: The Estimation of Sample Size in Experiments: I. Using Comparisons of Averages, J. D. Res.32: 530, 1953; II. Using Comparisons of Proportions, J. D. Res.32: 606, 1953.
9.
Fisher, R.A., and Yates, F.: Statistical Tables for Biological, Agricultural and Medical Research, ed. 3, New York, 1949 , Hafner Pub. Co., pp. 104-109.
10.
Cochran, W.G. : Matching in Analytic Studies, Am. J. Pub. Health43: 692, 1953.
11.
Dunning, J.M. : Variability in Dental Caries Experience and Its Implication Upon Sample Size, J. D. Res. 29: 541, 1950.
12.
Jackson, D. : An Evaluation of Two Methods of Caries Degree Estimation, Brit. D. J. 85: 79, 1948.
13.
Zander, H.A. : Effect of a Penicillin Dentifrice on Caries Incidence in School Children, J. A. D. A. 40: 569, 1950.
14.
Chilton, N.W. : Analysis in Dental Research, Office of Technical Services, U. S. Dept. of Commerce, Washington, D. C., 1953.
15.
Boyd, J.D., Wessels, K.W., and Cheyne, V.: Normal Discontinuity of Progression of Dental Caries, Proc. Soc. Exper. Biol. & Med. 73: 285, 1950.
16.
Finn, S., Volker, J.F., and Chilton, N.W.: Unpublished data.
17.
Fosdick, L.S. : A Preliminary Clinical Report on the Effectiveness of Sodium N-Lauroyl Sarcosinate in the Control of Dental Caries, Northwestern U. Bull. 54: 20, 1953.
