TY - BOOK ED - US Health Education and Welfare. Dept.of Public Health Service TI - Selected Vital and Health Statistics in Poverty and Nonpoverty Areas of 19 Large Cities, United States, 1969-71 T2 - Vital and Health Statistics.Series 21: Data from the National Vital Statistics System, no. 26 PY - 1975/// CY - Rockville, Md. PB - National Centre forHealth Statistics KW - Health occupation KW - US ER -