Social Security programs in the United States, 1993.
D006291:Health Policy / Q000331:legislation & jurisprudence / Q000639:trends; D006801:Humans; D011632:Public Assistance / Q000458:organization & administration*; D012943:Social Security; D012946:Social Welfare; D014481:United States; D014729:Veterans Disability Claims / Q000458:organization & administration; D014942:Workers' Compensation / Q000458:organization & administration