title: Sanctions programs expand despite failure to increase vaccination.
authors.forename: A
authors.initials: A
authors.lastname: Dove
mesh_terms: D000385:Aid to Families with Dependent Children; D002487:Centers for Disease Control and Prevention, U.S.; D002648:Child; D006801:Humans; D007114:Immunization / Q000706:statistics & numerical data*; D008396:Maryland; D014481:United States