Trend in Attack Rate of Dental Caries of 358 United States Counties

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East, B.R. , AND Pohlen, K. , Caries among school children in Bergen County, N. J., (To be published.)

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Messner, C.T. , Gafafer, W.M. , Cady, F.C. , AND Dean, H.T. , Dental survey of school children, ages 6-14 years, made in 1933-34 in 26 states, U. S. Public Health Bulletin # 226,1936.

East, B.R. , AND Kaiser, H. , Association of dental caries in rural children with sex, age and environment , J. A. Dis. Child., 60:1289,1940.