00751nam 2200169z- 450 9910712793703321(CKB)5470000002496231(EXLCZ)99547000000249623120230509c1982uuuu -u- -engDental visits, volume and interval since last visit: United States, 1978 and 1979U.S. Department of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health StatisticsHyattsville, MdDental visits, volume and interval since last visitBOOK9910712793703321Dental visits, volume and interval since last visit: United States, 1978 and 19793307356UNINA