Choledochoduodenal fistula:  report of two cases due to duodenal ulcer.
D001652:Bile Ducts; D003135:Common Bile Duct; D004381:Duodenal Ulcer; D004386:Duodenum; D005402:Fistula
BILE DUCT, COMMON/fistula; DUODENUM/fistula; FISTULA