11-5-1 ⓔ文献
Louw JH, Barnard CN: Congenital intestinal atresia, observation on its origin. Lancet, 1955; 269: 1065–1067.
Ladd WE: Congenital obstruction of the duodenum in children. N Engl J Med, 1932; 206: 277–283.
Ladd WE, Gross RE: Surgical treatment of duplication of the alimentary tract. Enterogenous cysts, enteric cysts, or ileum duplex. Surg Gynecol Obstet, 1940; 70: 295–307.