Oral health of United States adults :
the National Survey of Oral Health in U.S. Employed Adults and Seniors, 1985-1986 : national findings /
Epidemiology and Oral Disease Prevention Program, National Institute of Dental Research.

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Full view   University of Michigan
Full view   University of Minnesota
Full view   no.87-2868 University of Michigan
Full view   no.87-2868 University of Michigan
Full view   no.87-2868 University of Michigan