Facts about hearing and hearing aids : a consumer's guide from the National Bureau of Standards /

Bibliographic Details

Main Author:	Corliss, Edith L. R.
Corporate Authors:	Center for Mechanical Engineering and Process Technology (U.S.), Center for Consumer Product Technology (U.S.), United States. Food and Drug Administration
Other Authors:	Halpin, Suellen
Format:	Government Document Book
Language:	English
Edition:	Rev. 1978.
Series:	NBS consumer information series ; 4. DHEW publication ; no. (FDA) 79-4016.
Subjects:	Deafness. Hearing aids.