Hearing studies in selected urban and rural populations.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001795:Blood Pressure Determination; D002648:Child; D002784:Cholesterol; D003327:Coronary Disease / Q000453:epidemiology*; D004041:Dietary Fats; D006311:Hearing Disorders / Q000453:epidemiology*; D006801:Humans; D008875:Middle Aged; D013397:Sudan; D014481:United States
D004041:Dietary Fats; D002784:Cholesterol