Patterns of ambulatory care in internal medicine
Subtitle: The National Ambulatory Medical Care Survey, United States, January 1980-December 1981.
Contributors: National Center for Health Statistics (U.S.)
Series: DHHS publication -- no. (PHS) 84-1741; Vital and health statistics -- no. 80
Publisher: U.S. Dept. of Health and Human Services, Public Health Service, National Center for Health Statistics
Place of publication: Hyattsville, Md