title: The role of age and ageism in the "80% barrier".
authors.forename: M W
authors.initials: MW
authors.lastname: Smith
mesh_terms: D000375:Aging; D001291:Attitude of Health Personnel; D001294:Attitude to Health; D006310:Hearing Aids / Q000523:psychology*; D006311:Hearing Disorders / Q000523:psychology* / Q000628:therapy; D006801:Humans