TY - JOUR AU - Malila, N; Senore, C; Armaroli, P TI - European guidelines for quality assurance in colorectal cancer screening and diagnosis JO - Endoscopy VL - 44 PY - 2012 DO - 10.1055/s-0032-1309783 SP - SE31 EP - SE48 N1 - First edition – Organisation. ER -