title: Commentary: Survey research in Social Security.
authors.forename: S R
authors.initials: SR
authors.lastname: Sherman
mesh_terms: D000368:Aged; D003625:Data Collection / Q000639:trends*; D005260:Female; D049673:History, 20th Century; D006801:Humans; D007182:Income; D008297:Male; D008875:Middle Aged; D012943:Social Security / Q000266:history; D014481:United States