title: Icons, do we need them?
authors.forename: R
authors.initials: R
authors.lastname: Verdonk
mesh_terms: D006801:Humans; D007717:Knee / Q000601:surgery; D019637:Orthopedic Procedures; D017063:Outcome Assessment, Health Care; D017060:Patient Satisfaction; D011785:Quality Assurance, Health Care