Basic data on health care needs of adults 25-74 years of age, United States, 1971-75 /
Hadden, Wilbur Crane,1946-
Hyattsville, MD : U.S. Department of Health and Human Services, Public Health Service, Office of Health, Research, Statistics, and Technology, National Center for Health Statistics,
1980.
Includes bibliographical references.
Medical care
Health surveys