Authors: Matsumoto, Y Yanai, D Tokiyama, H Nishiaki, M Higaki, S Okita, K

Citation: Y. Matsumoto et al., Endoscopic ultrasonography for diagnosis of submucosal invasion in early gastric cancer, J GASTRO, 35(5), 2000, pp. 326-331

Authors: Nishiaki, M Tada, M Yanai, H Tokiyama, H Nakamura, H Okita, K

Citation: M. Nishiaki et al., Endoscopic hemostasis for bleeding peptic ulcer using a hemostatic clip orpure ethanol injection, HEP-GASTRO, 47(34), 2000, pp. 1042-1044

Authors: Tokiyama, H Yanai, H Nakamura, H Takeo, Y Yoshida, T Okita, K

Citation: H. Tokiyama et al., Three-dimensional endoscopic ultrasonography of lesions of the upper gastrointestinal tract using a radial-linear switchable thin ultrasound probe, J GASTR HEP, 14(12), 1999, pp. 1212-1218

Authors: Yanai, H Noguchi, T Mizumachi, S Tokiyama, H Nakamura, H Tada, M Okita, K

Citation: H. Yanai et al., A blind comparison of the effectiveness of endoscopic ultrasonography and endoscopy in staging early gastric cancer, GUT, 44(3), 1999, pp. 361-365