Use of special aids, United States--1969.

Author/creator National Center for Health Statistics (U.S.)
Format Book
Publication InfoRockville, Md. : The Center, 1972.
Descriptioniv, 23 pages : illustrations.
Supplemental Contenthttp://www.cdc.gov/nchs/data/series/sr_10/sr10_078.pdf
Subjects

SeriesVital and health statistics Series 10 ; no. 78
Vital and health statistics. Series 10 ; no. 78. UNAUTHORIZED
LCCN 72600209