1. Lindner HH, Peña VA, Ruggeri RA. A clinical and anatomical study of anomalous terminations of the common bile duct into the duodenum. Ann Surg 1976;184:626-632.
2. Quintana EV, Labat R. Ectopic drainage of the common bile duct. Ann Surg 1974;180:119-123.
3. Doty J, Hassall E, Fonkalsrud EW. Anomalous drainage of the common bile duct into the fourth portion of the duodenum. Clinical sequelae. Arch Surg 1985;120:1077-1079.
4. Lee HJ, Ha HK, Kim MH, Jeong YK, Kim PN, Lee MG, Kim JS, Suh DJ, Lee SG, Min YI. ERCP and CT findings of ectopic drainage of the common bile duct into the duodenal bulb. AJR Am J Roentgenol 1997;169:517-520.
5. Krstic M, Stimec B, Krstic R, Ugljesic M, Knezevic S, Jovanovic I. EUS diagnosis of ectopic opening of the common bile duct in the duodenal bulb: a case report. World J Gastroenterol 2005;11:5068-5071.