title: Evidence-based management of gastrointestinal diseases.
authors: Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, DA-501, 330 Brookline Avenue, Boston, MA 02215, USA. Tel: +1-617-667-8377; Fax: +1-617-667-2767; Email: jlamont@bidmc.harvard.edu.
authors: J Thomas
authors: JT
authors: Lamont