High prevalence of serrated polyposis syndrome in FIT-based colorectal cancer screening programmes. Issue 3 (14th September 2012) - Moreira, Leticia; Pellisé, Maria; Carballal, Sabela; Bessa, Xavier; Ocaña, Teresa; Serradesanferm, Anna; Grau, Jaume; Macià, Francesc; Andreu, Montserrat; Castells, Antoni; Balaguer, Francesc