TY - JOUR AU - Meining, A TI - Risk factors for unfavorable outcomes after endoscopic removal of submucosal invasive colorectal tumors JO - Clin Gastroenterol Hepatol VL - 9 PY - 2011 DO - 10.1016/j.cgh.2011.02.002 L3 - PubMed-ID: 21320641 SP - 590 EP - 594 N1 - et al. ER -