Skeletal maturity of children 6-11 years : racial, geographic area, and socioeconomic differentials, United States /
Roche, Alex F.,1921-
Roberts, Jean,1918-
Hamill, Peter V. V.,1926-
Rockville, Md. : U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics,
1975.
Includes bibliographical references.
Children
Bone
Children