Sognnaes, R.F. : A Condition Suggestive of Threshold Dental Fluorosis Observed in Tristan da Cunha, J. D. Res. , 20:303, 1941.
2.
Adamson, J.D. , Jolliffe, N., Kruse , H.D., Lowry, O.H., Moore, P.E., Platt, B.S., Sebrell, W.H., Tice, J.W., Tisdall, F.F., Wilder, R.M., and Zamecnik , P.C.: Medical Survey of Nutrition in Newfoundland, Canad. Med. A. J., 52:227, 1945.
3.
Scobie, K., Burke, B.S., and Stuart, H.C.: Studies of Nutrition in Newfoundland Children, Canad. Med. A. J., 60:233, 1949.
4.
Goldsmith, G.A. , Darby, W.J., Steinkamp , R.C., Beam, A.S., and McDevitt , E.: Resurvey of Nutritional Status in Norris Point, Newfoundland, J. Nutrition , 40:41, 1950.
5.
Mellanby, H. : Dental Conditions with Associated Signs of Nutritional Deficiencies in Newfoundland Children, Arch. Dis. Children, 27:273, 1952.
6.
Tung,Yu Lin, and Smith, M.D.: Diet and Dental Health in Newfoundland Children, Canad. J. Pub. Health, 49:516, 1958.
7.
Smith, M.D.: Fluoride Content of Enamel and Dentin of Teeth from Toronto, Sarnia, Brantford, and Stratford: Report to the Associate Committee on Dental Research (Canada), March, 1953.
8.
Cuthbertson, D.P.: Report on Nutrition in Newfoundland, Dominions Office No. 4, London, England, 1947, Her Majesty's Stationery Office.
9.
McClure, F.J.: National Institute of Health Bull. No. 172, 1939.
10.
Ham, M.P. , and Smith, M.D.: Fluorine Balance Studies on Three Women , J. Nutrition, 53:225, 1954.
11.
Armstrong, W.K., and Knowlton , M.: Fluorine Derived from Food, J. D. Res., 21:326, 1942.
12.
McClure, F.J. : Fluorine in Foods: Survey of Recent Data, U.S . Pub. Health Repts., 64:1061, 1949.
13.
Ham, M.P. , and Smith, M.D.: Fluoride Related to the Human Diet, Canad . J. Res., 28:227, 1950.
14.
McDermott, K.D. : Private communication from report of the Department of Mines and Technical Surveys (Newfoundland), June, 1958.
15.
Manly, R.S. , and Hodge, H.C.: Density and Refractive Index Studies of Dental Hard Tissues. II. Methods of Separation and Determination of Purity, J. D. Res., 18:133, 1939.
16.
Official and Tentative Methods of Analysis of the Association of Official Agricultural Chemists, 1955.
17.
Megregian, S.: A Rapid Spectrophotometric Determination of Fluorides with Zirconium-Eriochrome Cyanine R Lake, Anal. Chem., 26:1161, 1954.
18.
McClure, F.J. , and Likins, R.C.: Fluorine in Teeth in Relation to Fluorine in the Drinking Water, J. D. Res., 30:172, 1951.