Hearing levels of adults by age and sex, United States, 1960-1962 : distributions of hearing levels of adults by age and sex at frequencies of 500, 1000, 2000, 3000, 4000, and 6000 cycles per second, for right ear, left ear, and better ear
Vital and health statistics. Series 11, Data from the national health survey ;
DHEW publication ;
Glorig, Aram, 1906-1998, author.
Roberts, Jean, 1918- author.
National Center for Health Statistics (U.S.), issuing body.
Aram Glorig and Jean Roberts.
Hearing levels of adults by age and sex, United States, 1960-1962 : distributions of hearing levels of adults by age and sex at frequencies of 500, 1000, 2000, 3000, 4000, and 6000 cycles per second, for right ear, left ear, and better ear