1. Fluorescein string test for localization of upper gastro-intestinal hemorrhage;Traphagen;Surgery,1958
2. Meckel's diverticulum as a source of hemorrhage;Fojcik;Am. J. Surg.,1957
3. Acute surgical conditions of the abdomen; congenital lesions;Mayo;Collect. Papers Mayo Clin. & Mayo Found.,1946
4. Management of upper gastro-intestinal hemorrhage;Hoerr;New England J. Med.,1953