Intellectual development of children by demographic and socioeconomic factors, United States.
Series: National Center for Health Statistics. Vital and health statistics. Series 11: Data from the National Health Survey, no. 110; DHEW publication no. (HSM) 72-1012; DHEW publication ;; no. (HSM) 72-1012.
Publisher: National Center for Health Statistics; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington]
Published: 1971
Place of publication: Rockville, Md
Language: eng
Number of pages: 71
Subjects: Developmental psychobiology.; Children -- United States -- Statistics.
Notes: Bibliography: p. 24.