Visual acuity of children, United States /
Roberts, Jean, 1918-
Visual acuity of children, United States / [by Jean Roberts and K enneth R. Duyan] - Washington : U.S. Health Services and Mental Health Administratio n, 1970. - iv, 35 p. : illus. ; 26 cm. - National Center for Health Statistics. Vital and health statistics. Series 11: Data from the National Health Survey. Data from the health e xamination survey ; no. 101 .
Includes bibliographical references: p. 15.
Visual acuity -- United States -- Statistics.
Children with visual disabilities -- United States -- Statistics.
United States -- Statistics, Medical.
312.0973 ROB
Visual acuity of children, United States / [by Jean Roberts and K enneth R. Duyan] - Washington : U.S. Health Services and Mental Health Administratio n, 1970. - iv, 35 p. : illus. ; 26 cm. - National Center for Health Statistics. Vital and health statistics. Series 11: Data from the National Health Survey. Data from the health e xamination survey ; no. 101 .
Includes bibliographical references: p. 15.
Visual acuity -- United States -- Statistics.
Children with visual disabilities -- United States -- Statistics.
United States -- Statistics, Medical.
312.0973 ROB