National strategic research plan for hearing and hearing impairment and voice and voice disorders.

Shipping list no.: 93-0323-P.

Some effects of hearing impairment upon school performance /

Cover title: The relationship of hearing to learning; some effects of hearing impairment upon school performance.

Beggar and king /

The author has a hearing impairment.

Relationship of exposure to toxic chemicals and reproductive impairment [microform] : hearing before the Subcommittee on Investigations and Oversight of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, second session, July 27, 1982.

"No. 158."