title: Letter: smoking as a modifiable risk factor for a complicated course in Crohn's disease. Authors' reply.
authors.affiliation: Department of Gastroenterology, University Hospitals Leuven, KU Leuven, Leuven, Belgium.
authors.forename: C
authors.initials: C
authors.lastname: De Bie
authors.affiliation: Department of Gastroenterology, University Hospitals Leuven, KU Leuven, Leuven, Belgium. marc.ferrante@uzleuven.be.|Department of Clinical and Experimental Medicine, Translational Research Centre for Gastrointestinal Disorders (TARGID), KU Leuven, Leuven, Belgium. marc.ferrante@uzleuven.be.
authors.forename: M
authors.initials: M
authors.lastname: Ferrante
mesh_terms: D003093:Colitis, Ulcerative / Q000503:physiopathology*; D003424:Crohn Disease / Q000503:physiopathology*; D005260:Female; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000503:physiopathology*; D008297:Male; D012907:Smoking / Q000453:epidemiology*