Psychoacoustic evaluation of hoarse voice and acoustic indices (PPQ and APQ)
さ声の聴覚心理学的評価とPPQ・APQの関係

Hiroka Abe, Hiroko Yonekawa, Fumihiko Ohta, Yasuo Koike
1986 The Japan Journal of Logopedics and Phoniatrics  
doi:10.5112/jjlp.27.1 fatcat:cy2jh6z2jnanxkd4n2kds4u4jq