title: Epidemiology of inflammatory bowel disease and overview of pathogenesis.
authors.affiliation: Harvard Medical School, USA. bsands@partners.org
authors.forename: Bruce E
authors.initials: BE
authors.lastname: Sands
authors.forename: Stacey
authors.initials: S
authors.lastname: Grabert
mesh_terms: D015984:Causality; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000453:epidemiology* / Q000235:genetics / Q000473:pathology; D012307:Risk Factors