title: Clinical relevance of an exploratory laparotomy: general principles derived from a singular instance of annular pancreas.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004380:Duodenal Obstruction / Q000151:congenital / Q000601:surgery*; D006801:Humans; D008297:Male; D010179:Pancreas / Q000002:abnormalities*