Y. Yamauchi

Foreign body in the maxillary sinus--possible plastic tube: a case report.

Ken-ichi Watanabe, T. Yagi, J. Hasegawa, 2003, Auris, nasus, larynx.

Spinal neurenteric cyst. Report of two cases and review of forty-one cases reported in Japan.

Y. Yamauchi, R. Yokota, S. Fukasaku, 1992, Spine.

Subcutaneous emphysema after tonsillectomy: a case report.

Ken-ichi Watanabe, T. Yagi, M. Kunitomo, 2004, Journal of Nippon Medical School = Nippon Ika Daigaku zasshi.