00634nam 2200157z- 450 9910712707803321(CKB)5470000002497099(EXLCZ)99547000000249709920230509c1975uuuu -u- -engVolume of physician visits, United States - July 1966-June 1967Rockville, MarylandU.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health StatisticsBOOK9910712707803321Volume of physician visits, United States - July 1966-June 19673307595UNINA