TY - JOUR AU - Boparai, K S; Reitsma, J B; Lemmens, V TI - Increased colorectal cancer risk in first-degree relatives of patients with hyperplastic polyposis syndrome JO - Gut VL - 59 PY - 2010 DO - 10.1136/gut.2009.200741 L3 - PubMed-ID: 20584785 SP - 1222 EP - 1225 N1 - et al. ER -