THE PHONATION QUOTIENT AND THE EXPIRATORY EXPENDITURE INDEX IN NORMAL CHILDREN

Hikoemon Maekawa, Satoshi Kitabatake, Masao Itoh, Toshiko Watanabe, Tomiko Shimizu
1975 The Japan Journal of Logopedics and Phoniatrics  
doi:10.5112/jjlp.16.63 fatcat:hkcr4il2czagtnzhhvoenpspbe