Authors: David Martinez-Cecilia; Alvaro Arjona-Sanchez; Manuel Gomez-Alvarez; Eva Torres-Tordera; Antonio Luque-Molina; Victor Valenti-Azcarate; Javier Briceno-Delgado; Francisco-Javier Padillo; Pedro Lopez-Cillero; Sebastian Rufian-Pena Journal: World J Gastroenterol Date: 2008-03-28 Impact factor: 5.742