Dean, H.T.Changing Concepts in Epidemiology, in A Symposium on Preventive Dentistry, p. 20. St. Louis: C. V. Mosby Co., 1956 .
2.
Hadjimarkos, D.M.The Epidemiological Method as a Research Tool in Dental Caries, J. Canad. D. A., 22:657, 1956.
3.
Gordon, J.E.Dental Problems in An Epidemiological Perspective , Am. J. Public Health, 49:1041, 1959.
4.
Hadjimarkos, D.M., and Storvick , C.A.Bilateral Occurrence of Dental Caries, Oral Surg., Oral Med., Oral Path., 3:1206, 1950.
5.
-. Geographic Variations of Dental Caries in Oregon. Part V., Am. J. Public Health, 41:1052,1951.
6.
Toverud, G.The Influence of War and Post-War Conditions on the Teeth of Norwegian School Children, Milbank Mem. Fund Quart., 34:354, 1956, 35:127 and 373, 1957.
7.
Dean, H.T.Epidemiological Studies in the United States in Dental Caries and Fluorine , p. 5. Washington, D.C.: Am. Assoc. Adv. Sci., 1946.
8.
Arnold, F.A. , Dean, H.T., Jay, P., and Knutson, J.W.Effect of Fluoridated Public Water Supplies on Dental Caries Prevalence, Public Health Repts., 71:652, 1956.
9.
Clune, T.W.Prevalence of Dental Caries in Primary and Permanent Teeth, Rhode Island Med. J., 36:653, 1953.
10.
Sognnaes, R.F.A Survey of Dental Caries in Greece, N.Y. State D. J., 15:15, 1949.
11.
Mavrogordato, T.The Preventive Role of Fluorine against Caries , J. D. Res., 30:225, 1951.
12.
Sognnaes, R.F.Analysis of Wartime Reduction of Dental Caries in European Children, Am. J. Diseases Children, 75:792, 1948.
13.
Valaoras, V.G.Some Effects of Famine on the Population of Greece, Milbank Mem. Fund Quart., 14:215,1946.
14.
National Statistical Service Of Greece.Monthly Bulletin of External Trade Statistics. Athens: Government Printing Office, 1959.
15.
Sognnaes, R.F.Caries-conducive Effect of a Purified Diet when Fed to Rodents during Tooth Development, J.A.D.A., 37 :676, 1948.
16.
Kruger, B.J.The Effect of "Trace Elements" on Experimental Dental Caries in the Albino Rat. Brisbane: University of Queensland Press, 1959.
17.
Hadjimarkos, D.M., and Bonhorst, C.W.The Trace Element Selenium and Its Influence on Dental Caries Susceptibility, J. Pediat., 52 :274, 1958.
18.
-. The Selenium Content of Human Teeth, Oral Surg., Oral Med., Oral Path., 112:113, 1959. 19. Report of the FAO Mission for Greece, Food and Agriculture Organization of the United Nations. Washington, D.C., 1947.
19.
Hadjimarkos, D.M.Geographic Variations of Dental Caries in Oregon. Part VII, J. Pediat., 48:195, 1956.
20.
METEOROLOGICAL INSTITUTE, NATIONAL OBSERVATORY OF ATHENS. Climat. Bull., 1952-1958. (Mimeo.)
21.
U.S. DEPARTMENT OF COMMERCE, WEATHER BUREAU, STATE CLIMATOLOGIST, PORTLAND. Personal communication, 1959.
22.
Armstrong, W.D.An Evaluation of the Role of Vitamins and Minerals in the Control of Caries, J. D. Res., 27:376, 1948.