Factors associated with language ability at school age in congenitally deaf children given cochlear implants between two and four years of age 論文 Toshie Kato・Hiroyuki Nakayama・Taku Hattori・Katsumi Asami・Tomohiro Kato・Syoko Inagaki・Yasuko Sibata・Tomoko Esaki ·2008-01-01 ·『AUDIOLOGY JAPAN』 51(1) pp. 54-60 doi:10.4295/audiology.51.54