Plan and operation of the Hanes I augmentation survey of adults 25-74 years : United States, 1974-1975 /
Engel, Arnold.
Hyattsville, Md. : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics,
1978.
Includes bibliographical references.
Health and Nutrition Examination Survey.