1. Congenital duodenal obstruction;Ladd;Surgery,1937
2. The Surgery of Infancy and Childhood;Gross,1953
3. The Surgery of Infancy and Childhood;Gross,1953
4. Congenital duodenal obstruction;Harberg;Am Surg,1963
5. Mortality in neonatal duodenal obstruction;Young;Lancet,1966