Office visits for diseases of the circulatory system : the national ambulatory medical care survey, United States, 1975-1976 /
Cypress, Beulah K.
Hyattsville, Md. : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Office of the Assistant Secretary for Health, National Center for Health Statistics,
1979.
Includes bibliographical references.
Cardiovascular system
Physician services utilization
Ambulatory medical care
Medical care surveys