1. Extrinsic obstruction of the ureter;Resnick,1992
2. Idiopathic retroperitoneal fibrosis;Lepor;J. Urol.,1979
3. The clinical significance of retroperitoneal fibrosis;Koep;Surgery,1977
4. Retroperitoneal fibrosis. The forgotten connective tissue disease;Gilkeson;N. C. Med. J.,1989
5. The ovarian vein syndrome;Dykhuizen;Surg., Gynec. & Obst.,1970