1. Hamlyn AN, Sherlock S: The epidemiology of primary biliary cirrhosis: A survey of mortality in England and Wales. Gut 15:473–479, 1974.
2. Hamlyn AN, Macklan AF, James O: Primary biliary cirrhosis: Geographical clustering and symptomatic onset seasonality. Gut 29:970–975, 1983.
3. Triger DR, Berg PA, Rodes J: Epidemiology of primary biliary cirrhosis. Liver 4:195–200, 1984.
4. Lofgren J, Jarnerot G, Danielson D, Herndal I: Incidence and prevalence of primary biliary cirrhosis in a defined population of Sweden. Scand J Gastroenterol 20:647–650, 1985.
5. Dickson ER, Fleming CR, Ludwig J: Primary biliary cirrhosis, in Popper H, Schaffner F (eds): Progress in Liver Diseases. Vol. 6. Grune & Stratton, Orlando, Florida, 1978, pp. 487–502.