TY - GEN AU - Johnson,C W AU - Bordenick,R M TI - Bone-conduction speech reception thresholds with the mentally retarded SN - 0021-9177 PY - 1979///1229 KW - Aged KW - Audiometry, Speech KW - instrumentation KW - Bone Conduction KW - Hearing Loss, Sensorineural KW - diagnosis KW - Humans KW - Intellectual Disability KW - complications KW - Male KW - Middle Aged KW - Speech Discrimination Tests KW - Speech Perception KW - physiology KW - Speech Reception Threshold Test N1 - Publication Type: Case Reports; Journal Article ER -