title: Basic data on hearing levels of adults 25-74 years. United States, 1971-75.
mesh_terms: D000328:Adult; D000368:Aged; D001844:Bone Conduction; D005260:Female; D006309:Hearing; D006801:Humans; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D014481:United States