RT Journal Article SR Electronic T1 High prevalence of serrated polyposis syndrome in FIT-based colorectal cancer screening programmes JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 476 OP 477 DO 10.1136/gutjnl-2012-303496 VO 62 IS 3 A1 Moreira, Leticia A1 Pellisé, Maria A1 Carballal, Sabela A1 Bessa, Xavier A1 Ocaña, Teresa A1 Serradesanferm, Anna A1 Grau, Jaume A1 Macià, Francesc A1 Andreu, Montserrat A1 Castells, Antoni A1 Balaguer, Francesc YR 2013 UL http://gut.bmj.com/content/62/3/476.abstract AB