Forced vital capacity of children 6-11 years, United States /
Hamill, Peter V. V.,1926-
Palmer, Alan,1936-
Drizd, Terence.
Hyattsville, Md. : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Center for Health Statistics,
1978.
Includes bibliographical references.
Spirometry
Children
Health surveys