Basic data on hearing levels of adults 25-74 years, U.S., 1971- 1975 /
Rowland, Michael,1945-
Hyattsville, Md. : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Office of the Assistant Secretary for Health, National Center for Health Statistics,
1979.
Hearing levels
Hearing disorders
Health surveys
Health and Nutrition Examination Survey.
Hearing.
Hearing Tests.
Hearing disorders