1. Medical dissolution of gallstones; current status;Key;Dev Dig Dis,1977
2. Removal of residual biliary tract calculi without reoperation;Mazzariello;Surgery,1970
3. Nonoperative extraction of retained common duct stones;Caprini;Arch Surg,1976
4. Residual biliary tract stones: Nonoperative treatment of 570 patients;Mazzariello;Surg Annual,1976
5. Nonoperative retained biliary tract stone extraction: A new roentgenologic technique;Burhenne;Am J Roentgenol,1973