Reading and arithmetic achievement among youths 12-17 years as measured by the Wide Range Achievement Test, United States : findings from the reading and arithmetic subtests of th...

by Hitchcock, Dale C.,
Published: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics, 1974

Intellectual development and school achievement of youths 12-17 years : demographic and socioeconomic factors

by Hitchcock, Dale C.,
Published: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics, 1976

Total white blood cell counts for persons ages 1-74 years with differential leukocyte counts for adults ages 25-74 years : United States, 1971-1975

by McGrath, Cornelia R.,
Published: U.S. Department of Health and Human Services, Public Health Service, Office of Health Research, Statistics and Technology, National Center for Health Statistics, 1982