title: Widowed-father beneficiaries.
mesh_terms: D000328:Adult; D000367:Age Factors; D005260:Female; D006801:Humans; D007182:Income; D007603:Jurisprudence; D008297:Male; D008875:Middle Aged; D010290:Parents; D012737:Sex Factors; D012847:Single Person; D012943:Social Security; D014481:United States