1. Retroperitoneal fibrosis: report of 12 cases and a review of the literature;van Bommel;Neth J Med,1991
2. The response of retroperitoneal fibrosis to tamoxifen;Clark;Surgery,1991
3. The treatment of retroperitoneal fibrosis: report of personal experience with 17 cases;Vanherpe;Helv Chir Acta,1990