TY - JOUR AU - Okamoto, K; Watanabe, T; Komeda, Y TI - Risk factors for postoperative bleeding in endoscopic submucosal dissection of colorectal tumors JO - Oncology IS - S01 VL - 93 PY - 2017 DO - 10.1159/000481228 L3 - PubMed-ID: 29258069 SP - 35 EP - 42 N1 - et al. ER -