title: Increased relapse of duodenal ulcers in patients treated with cognitive psychotherapy.
authors.forename: I
authors.initials: I
authors.lastname: Wilhelmsen
authors.forename: T T
authors.initials: TT
authors.lastname: Haug
authors.forename: A
authors.initials: A
authors.lastname: Berstad
authors.forename: H
authors.initials: H
authors.lastname: Ursin
mesh_terms: D015928:Cognitive Behavioral Therapy; D003131:Combined Modality Therapy; D004381:Duodenal Ulcer / Q000628:therapy*; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012008:Recurrence; D013997:Time Factors