Hematocrit values of youths 12-17 years, United States
|Main Author:||National Center for Health Statistics (U.S.)|
Rockville, Md. :
U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics,
iii, 40 pages : illustrations ; 26 cm.
Vital and health statistics. Data from the National Health Survey ;
DHEW publication ; no. (HRA) 75-1628.