01123nam 2200169z- 450 9910712791303321(CKB)5470000002496256(EXLCZ)99547000000249625620230509c1979uuuu -u- -engPrevalence of selected chronic digestive conditions, United States, 1975 : statistics on prevalence of chronic digestive conditions by measures of impact of the conditions and selected demographic characteristics. Based on data collected in the Health InHyattsville, MdU.S. Department of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology National Center for Health StatisticsPrevalence of selected chronic digestive conditions, United States, 1975 BOOK9910712791303321Prevalence of selected chronic digestive conditions, United States, 1975 : statistics on prevalence of chronic digestive conditions by measures of impact of the conditions and selected demographic characteristics. Based on data collected in the Health In3307333UNINA