TY - JOUR AU - Kudo, S TI - Colonoscopic diagnosis and management of nonpolypoid early colorectal cancer JO - World J Surg VL - 24 PY - 2000 DO - 10.1007/s002680010154 L3 - PubMed-ID: 11036286 SP - 1081 EP - 1090 N1 - et al. ER -