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1. Color vision deficiencies in youths 12-17 years of age, United States

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   Personal Author:

   Slaby, David ; Roberts, Jean, 1918- ;

   Corporate Authors:

   National Center for Health Statistics (U.S.)

   Published Date:

   January 1974

   Series:

   Vital and health statistics. Series 1, Data from the national health survey ; no. 134
   DHEW publication ; no. (HRA) 74-1616
   

   Description:

   Prevalence of color vision deficiencies, as identified on examination with plates from the Ishihara Test and typed with the Hardy-Rand- Rittler Test, ...

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   [PDF - 2.44 MB]

   File Type:

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2. Descriptive statistics for the health professions : lesson, interpretation : measures of central tendency : an instructive communication

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   [PDF - 65.98 MB]

   Corporate Authors:

   Center for Disease Control.

   Published Date:

   1971

   Source:

   Public Health Service publication ; no. 2192

   Series:

   Public Health Service publication

   Description:

   In response to a general need voiced by students and teachers alike, we have developed a self-contained, job-oriented instructional package on Descrip...

   File Type:

   [PDF - 65.98 MB]

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