Ruiz-Clavijo, D.; Fernández-Urién, I.; Vila, J.; Goñi, S.; González de la Higuera Carnicer, B.; Martínez Echeverría, A. Severe Lower Gastrointestinal Bleeding in a 25-Year-Old Patient. An Sist Sanit Navar 2012, 35, 517-520.