TY - JOUR AU - Rembacken, B; Hassan, C; Riemann, J F TI - Quality in screening colonoscopy: position statement of the European Society of Gastrointestinal Endoscopy (ESGE) JO - Endoscopy VL - 44 PY - 2012 DO - 10.1055/s-0032-1325686 L3 - PubMed-ID: 22987217 SP - 957 EP - 968 N1 - et al. ER -