Single nucleotide polymorphisms in the Wnt and BMP pathways and colorectal cancer risk in a Spanish cohort. oleh Ceres Fernández-Rozadilla, Luisa de Castro, Juan Clofent, Alejandro Brea-Fernández, Xavier Bessa, Anna Abulí, Montserrat Andreu, Rodrigo Jover, Rosa Xicola, Xavier Llor, Antoni Castells, Sergi Castellví-Bel, Angel Carracedo, Clara Ruiz-Ponte, Gastrointestinal Oncology Group of the Spanish Gastroenterological Association