Relation of Dental Caries Experience and Gingivitis to Geographic Location and Size of Community in Males 17 to 21 Years Old (At the Great Lakes Naval Training Center)

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East, B.R. : Mean Annual Hours of Sunshine and the Incidence of Dental Caries, Am. J. Pub. Health 29: 777, 1939.

Klein, H. , and Palmer, C.E. : Dental Caries in American Indian Children, Pub. Health Bul. No. 239, Washington, D. C. , 1937, U. S. Gov't Printing Office .

Klein, H. , and Palmer, C.E. : On the Epidemiology of Dental Caries. In Dental Caries. Monograph, Univ. of Pennsylvania, Bicentennial Conference, Philadelphia , 1941 University of Pennsylvania Press , pp. 1-25.

Massler, M. , Schour, I. , and Chopra, B. : Occurrence of Gingivitis in Suburban Chicago School Children, J. Periodont. 21: 146, 1950.

Mills, C.A. : Factors Affecting Incidence of Dental Caries in Population Groups , J. D. Res. 16: 417, 1937.

Schlack, C.A. , Restarski, J.S. , and Dochterman , E.F. : Dental Status of 71,015 Naval Personnel at First Examination in 1942, J. D. Res. 25: 107, 1946.