1. The removal of retained gallstones from the common bile duct stones;Britton,1975
2. Non-operative retained biliary stone extraction;Burhenne;Amer. J. Roentgenol.,1973
3. Non-surgical removal of common bile duct stones;Classen;Gut,1977
4. Current status of heparin dissolution of gallstones;Gardner,1975
5. Local toxicity of T-tube-infused cholate in the rhesus monkey;Mack;Surg. Forum,1977