title: The blind undercutting the blind.
authors.forename: Roger
authors.initials: R
authors.lastname: Parloff
mesh_terms: D001766:Blindness; D003132:Commerce / Q000295:instrumentation* / Q000331:legislation & jurisprudence; D006233:Persons with Disabilities; D006801:Humans; D010209:Paper; D014481:United States