Kumiko Tanuma

Physiological studies of retrusive movements of the human tongue.

Seiji Niimi, S. Niimi, H. Saigusa, 2006, Journal of voice : official journal of the Voice Foundation.

Morphological studies for retrusive movement of the human adult tongue

Seiji Niimi, S. Niimi, H. Saigusa, 2004, Clinical anatomy.