Hearing Levels of Youths 12-17 Years, United States: Distribution of Monaural Hearing Levels of Youths 12-17 Years at Frequencies of 250, 500, 1000, 2000, 3000, 4000, 6000, and 8000 Hertz as Determined in Individual Air-Conduction Tests, by Age, Sex, R...
by:
Jean Roberts (author)
Format: Unknown Binding
ISBN:
9780840600240 (0840600240)
Publish date: January 1st 1975
Publisher: Govt. Print. Off. Washington
Edition language: English