title: Etiology of congenital intrinsic duodenal obstruction. With special reference to the T-shaped bile duct anomaly.
mesh_terms: D003135:Common Bile Duct / Q000002:abnormalities*; D004380:Duodenal Obstruction / Q000151:congenital* / Q000209:etiology; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010183:Pancreatic Ducts / Q000002:abnormalities