1. Summerfield JA: Primary sclerosing cholangitis. Post Grad Med Journal 1983;59(Suppl 4): 99–105
2. Lefkowitch JH, Martin EC: Primary sclerosing cholangitis. In: Schaffner F, Popper H, eds. Progress in liver disease, vol VIII. Grune and Stratton, New York 1986;567–580
3. Prakash S, Singh K, Malik AK, et al: Primary sclerosing cholangitis associated with idopathic ulcerative colitis. Indian J Gastroenterol 1986;5: 205–207
4. LaRusso NF, Wiesner RH, Ludwig J, et al: Primary sclerosing cholangitis. N Engl J Med 1984;310: 899–903
5. Chapman RWG, Arborgh BAM, Rhoder JM, et al: Primary sclerosing cholangitis: a review of clinical features, cholangiography and hepatic histology. Gut 1980;21: 870–875