TY  - BOOK
ED  - National Center for Health Statistics (U.S.)
TI  - Color vision deficiencies in youths 12-17 years of age, [with list of references
T2  - Vital and health statistics, Series 11, Data from National health survey
PY  - 1974///]
CY  - [Washington, D.C.
KW  - Color blindness
KW  - United States
KW  - Statistics
N1  - [Prepared in cooperation with Bureau of Census]; Jan. 1974; Document for sale by the Superintendent of Documents, paper, 70c; 4to; CRDP Program Historic Shelflist record
ER  -