6Hamilton SR, Aaltonen LA. World Health Organization classification of tumors: pathology and genetics of tumors of digestive system[M]. Lyon:IARC Press, 2000.37-68.
7Muto M, Ugumori T, SanoYI, et al. Narrow-band imaging combined with magnified endoscopy for cancer at the head and neck region[J]. Digest Endosc, 2005,17(Suppl):23-25.
8Sano Y, Muto M, Tajiri H, et al. Optical/digital chromoendoscopy during colonoscopy using NBI system [J]. Digest Endosc, 2005, 17(Suppl): 43-48.
