title: Crohn's disease and ulcerative colitis. A review of dietary studies with emphasis on methodologic aspects.
authors.forename: P G
authors.initials: PG
authors.lastname: Persson
authors.forename: A
authors.initials: A
authors.lastname: Ahlbom
authors.forename: G
authors.initials: G
authors.lastname: Hellers
mesh_terms: D003093:Colitis, Ulcerative / Q000209:etiology*; D003424:Crohn Disease / Q000209:etiology*; D005247:Feeding Behavior; D006801:Humans; D008722:Methods