1. The natural history of diagnosed gallstone disease in symptomatic and asymptomatic patients;McSherry;Ann Surg,1985
2. Trends in surgical treatment of calculous disease of the biliary tract;Glenn;Surg Gynecol Obstet,1975
3. The biliary system;Hermann,1987
4. Deaths from gallstones;Cucchiaro;Ann Surg,1989
5. The natural history of silent gallstones;Gracie;N Engl J Med,1982