Selected genetic markers of blood and secretions for youths 12-17 years of age, United States /
National Center for Health Statistics (U.S.)
Cohen, Bernice H.
Hyattsville, Md. : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics,
1980.
Includes bibliographical references.
Medical genetics
Blood group antigens.
Blood proteins.
Human population genetics
Health surveys
Saliva