The national ambulatory medical care survey, United States, 1979 summary /
Gagnon, Raymond O.
DeLozier, James E.
McLemore, Thomas.
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, National Center for Health Statistics,
1982.
Includes bibliographical references.
Physician services utilization
Ambulatory medical care
Medical care surveys