4Ando M, Mochizuki F, Chonan A. Application of magnifying endoscopy and endoscopic ultrasonography to colorectal neoplastic lesions. Digest Endosc, 2000, 12 (Suppl): S45～S49.
5Kudo S. Endoscopic mucosal resection of flat and depressed types of early colorectal cancer. Endoscopy, 1993, 25: 455～461.
6Kudo S. Early colorectal cancer: Steromicroscopy. Tokyo: Igaku-Shoin, 1996. 2: 50.
7Kudo S, Hirota S, Nakajima T, Hosobe S, KusakaH, Kobayashi T, Himori M, Yagyuu A. Colorectal tumours and pit pattern. J Clin Pathol, 1994, 47: 880～885.
8Kudo S, Tamura S, Nakajima T, Yamano H, Kusa ka H, Watanabe H. Diagnosis of colorectal tumorous lesions by magnifying endoscopy. Gastrointest Endosc, 1996, 44: 8～14.
10Kato S, Jujii T, Sano Y, et al. Usefulness and pitfalls of magnifying colonoscopy-comparison between indigo carmine dye and cresyl violet staining. Early Colorectal Cancer, 1999, 3: 139～146.
