title: Comparative effectiveness research in inflammatory bowel disease: prospects and challenges.
authors.forename: Joseph D
authors.initials: JD
authors.lastname: Feuerstein
authors.forename: Adam S
authors.initials: AS
authors.lastname: Cheifetz
authors.forename: Corey A
authors.initials: CA
authors.lastname: Siegel
mesh_terms: D057186:Comparative Effectiveness Research; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000628:therapy*