1. Surgery in elderly patients;Harbrecht;South Med J,1981
2. Cholecystectomy in the aged;Ibach;Surg Gynecol Obstet,1968
3. Surgery for gallbladder disease in the elderly;Gaines;Geriatrics,1977
4. The incidence of gallstones and gallbladder disease;Crump;Surg Gynecol Obstet,1931
5. 28,621 cholecystectomies in Ohio. Results of a survey in Ohio hospitals by the gallbladder survey committee;Arold,1970