[Operation for annular pancreas and associated duodenal ulcer].
R A
RA
SCHOBINGER
D004381:Duodenal Ulcer; D006801:Humans; D010179:Pancreas / Q000002:abnormalities*; D010182:Pancreatic Diseases; D010437:Peptic Ulcer / Q000601:surgery*
PANCREAS/abnormalities; PEPTIC ULCER/surgery