TY - BOOK ED - National Center for Health Statistics U.S. TI - Inventory of pain data from the National Center for Health Statistics T2 - Vital and health statistics : Series 1, Programs and collection procedures PY - 1992/// CY - Hyattsville, Md. PB - National Center for Health Statistics KW - National Center for Health Statistics U.S KW - Local KW - Pain KW - United States KW - Statistics KW - IOntractable pain ER -