TY - JOUR AU - Kahi, C J TI - Effect of screening colonoscopy on colorectal cancer incidence and mortality JO - Clin Gastroenterol Hepatol VL - 7 PY - 2009 DO - 10.1016/j.cgh.2008.12.030 L3 - PubMed-ID: 19268269 SP - 770 EP - 775 N1 - ; quiz 711 ER -