Porter, K. 0., and Woods, E.: Decayed, Missing, and Filled Teeth of Idaho-Born Fresh-men at the University of Idaho, Agricultural Experiment Station, University of Idaho, Exp. Sta. But.284, 1951.
2.
Dean, H.T., Jay, P., Arnold, F.A., Jr., and Elvove, E.: Domestic Water and Dental Caries. II. A Study of 2832 White Children, Aged 12-14 Years, of 8 Suburban Chicago Communities, Including Lactobacillus Acidophilus Studies of 1761 Children, Pub. Health Rep. 56: 761, 1941.
3.
Dean, H.T., Arnold, F.A., Jr., and Elvove, E.: Domestic Water and Dental Caries. V. Additional Studies of the Relation of Fluoride Domestic Waters to Dental Caries Experience in 4425 White Children, Aged 12 to 14 Years, of 13 Cities in 4 States, Pub. Health Rep. 57: 1115, 1942.
4.
Baker, G. 0., Soils Technologist, Idaho Agricultural Experiment Station: Personal communication .
5.
Hadjimarkos, D.M., Storvick, C.A., and Sullivan , J.H.: Dental Caries Experience Among Selected Population Groups in the State of Oregon, Agricultural Experiment Station, Oregon State College, Tech. Bull. No. 19 (May), 1950.
6.
Hadjimarkos, D.M., and Storvick , C.A.: Geographic Variations of Dental Caries Among School Children in the Willamette Valley Region, Am. J. Pub. Health41: 1052 1951.
7.
Wilcox, E.B. , Grenwood, D.A., and Galloway , L.S.: Dental Caries Experience of a Group of School Children at Ogden, Utah, With and Without Rheumatic Fever , J. D. Res. 31: 849, 1952.
8.
Wilcox, E.B., Utah State Agricultural College: Personal communication.
9.
Blayney, J.R. , and Greco, J.F.: The Evanston Dental Caries Study. IX. The Value of Roentgenological vs. Clinical Procedures for the Recognition of Early Carious Lesions on Proximal Surfaces of Teeth, J. D. Res. 31: 341, 1952.
10.
Hill, I.N., Blayney, J.R., and Wolf, W.: The Evanston Dental Caries Study. VII. The Effect of Artificially Fluoridated Water on Dental Caries Experience of 12-, 13-, and 14-Year-Old School Children , J. D. Res. 30: 670, 1951.
11.
Chilton, N.W. , and Greenwald, L.E.: The Role of Roentgenograms in Public Health Dental Surveys: Division of Dental Health, New Jersey State Dept. of Health, Trenton, N. J., J. D. Res. 26: 129, 1947.