1. Internal biliary fistula;Judd;Ann. Surg.,1925
2. Internal biliary fistulas;Dean;Surgery,1939
3. Spontaneous gastrointestinal biliary fistulas;Hicken;Surg., Gynec. & Obst.,1946
4. Spontaneous internal biliary fistula and gallstone obstruction;Borman;Surgery,1937
5. Cholecystocolic fistula diagnosed by roentgen examination;Jenkinson;Am. J. Roentgenol.,1948