The National Ambulatory Medical Care Survey
Subtitle: 1977 summary, United States, January-December 1977.
Contributors: National Center for Health Statistics (U.S.)
Series: Vital and health statistics -- no. 44; DHEW publication -- no. (PHS)80-1795.
Publisher: U.S. Dept. of Health, Education, and Welfare, Public Health Service, Office of Research, Statistics, and Technology, National Center for Health Statistics
Place of publication: Hyattsville, Md