Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Maeda Chikako and Hirota Eiko and Tanaka Yoshisato,Speech and language development in children with congenital conductive deafness due to middle and external ear malformation.,The Japan Journal of Logopedics and Phoniatrics,0030-2813,The Japan Society of Logopedics and Phoniatrics,1990,31,3,303-308,https://cir.nii.ac.jp/crid/1390282679876637824,https://doi.org/10.5112/jjlp.31.303