00854nam 2200169z- 450 9910712393103321(CKB)5470000002492197(EXLCZ)99547000000249219720230509c1984uuuu -u- -engPatterns of ambulatory care in office visits to general surgeons : the National Ambulatory Medical Care Survey, United States, January 1980-December 1981Hyattsville, MdU.S. Department of Health and Human Services, Public Health Service, National Center for Health StatisticsPatterns of ambulatory care in office visits to general surgeons BOOK9910712393103321Patterns of ambulatory care in office visits to general surgeons : the National Ambulatory Medical Care Survey, United States, January 1980-December 19813334730UNINA