Endoscopic in vivo evaluation of tissue atypia in the esophagus using a newly designed integrated endocytoscope: a pilot trial - Inoue, H; Sasajima, K; Kaga, M; Sugaya, S; Sato, Y; Wada, Y; Inui, M; Satodate, H; Kudo, S -E; Kimura, S; Hamatani, S; Shiokawa, A (Endoscopy, 2006)