title: How we manage challenging inflammatory bowel disease. Preface.
authors.affiliation: Inflammatory Bowel Disease, University of Pittsburgh School of Medicine, UPMC-PUH Mezzanine Level, C-Wing, 200 Lothrop Street, Pittsburgy, PA 15213, USA. mdr7@pitt.edu
authors.forename: Miguel
authors.initials: M
authors.lastname: Regueiro
authors.forename: Arthur M
authors.initials: AM
authors.lastname: Barrie
mesh_terms: D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000175:diagnosis* / Q000628:therapy*; D016896:Treatment Outcome