title: Barrier-free design begins to react to legislation, research.
mesh_terms: D001107:Architectural Accessibility / Q000592:standards*; D006233:Persons with Disabilities; D005160:Facility Design and Construction / Q000331:legislation & jurisprudence* / Q000592:standards*; D005161:Facility Regulation and Control; D006801:Humans; D014481:United States