1. Vagotomy and gastroenterostomy: 15 year follow up of 175 patients;Nobles;Am Surg,1966
2. Incidence of gallbladder disease after vagotomy;Clave;Am J Surg,1969
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4. Cholelithiasis following subtotal gastric with truncal vagotomy;Sapala;Surg Gynecol Obstet,1979
5. The epidemiology of gallbladder disease: observations of the Framingham study;Friedman;J Chronic Dis,1966