Office visits for diseases of the circulatory system
Subtitle: the National Ambulatory Medical Care Survey, United States, 1975-1976.
Contributors: National Center for Health Statistics (U.S.)
Series: DHEW publication -- no. (PHS) 79-1791; Vital and health statistics -- no. 40
Publisher: U.S. Dept. of Health, Education, and Welfare, Public Health Service, Office of the Assistant Secretary for Health, National Center for Health Statistics
Place of publication: Hyattsville, Md