title: The bivariate plotting procedure for hearing assessment of adults who are severely to profoundly mentally retarded.
mesh_terms: D000293:Adolescent; D001299:Audiometry / Q000379:methods*; D001301:Audiometry, Pure-Tone / Q000379:methods*; D006311:Hearing Disorders / Q000175:diagnosis*; D006801:Humans; D008607:Intellectual Disability / Q000150:complications*