1. Extra-intestinal manifestations of ulcerative colitis including reference to Crohn's disease;Mayer,1983
2. Extraintestinal manifestations of inflammatory bowel disease;Mayer,1988
3. Renal lesions associated with chronic ulcerative colitis;Jensen;Am J Med Sci,1950
4. Morfologicheskie izmeneniia v pochkakh pri nespetsificheskom iazvennom kolite;Rovenskaia;Arkh Patol,1979
5. Regional enteritis: associated visceral changes;Chapin;Gastroenterology,1956