Public assistance: comparison of calendar years 1975-77.
D000328:Adult; D002648:Child; D004632:Emergency Medical Services / Q000191:economics / Q000706:statistics & numerical data; D005260:Female; D005581:Foster Home Care / Q000191:economics / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D011632:Public Assistance / Q000191:economics / Q000706:statistics & numerical data / Q000639:trends*; D014478:Unemployment; D014481:United States