Cover image for Hearing levels of children by demographic and socioeconomic characteristics, United States.
Title:
Hearing levels of children by demographic and socioeconomic characteristics, United States.
Author:
Roberts, Jean, 1918-
Personal Author:
Publication Information:
Rockville, Md. : National Center for Health Statistics; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington], 1972.
Physical Description:
iv, 47 pages : illustrations ; 26 cm.
Language:
English
Format :
Book