TY - RPRT TI - Inexpensive cochlear implant device. AU - C Kanchanarak AU - N Siriratwatanakul AU - S Boonyanukul AU - A Saeng-in AU - T Krairojananan PY - 1991 DO - 10.1177/000348949110001206 UR - https://pubmed.ncbi.nlm.nih.gov/1746846/ ID - 1746846 ER -