The amenability of residential area differences in medical care utilization to amelioration.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002391:Catchment Area, Health; D003752:Dental Health Services / Q000706:statistics & numerical data*; D005260:Female; D006761:Hospitals / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010548:Personal Health Services / Q000706:statistics & numerical data*; D012111:Residence Characteristics; D013223:Statistics as Topic; D014481:United States; D014505:Urban Population; D014507:Urbanization