1. Roentgenographic demonstration of the unknown sites of gastrointestinal bleeding;Nusbaum;Surg. Forum,1963
2. Clinical experience with the diagnosis and management of gastrointestinal hemorrhage by selective mesenteric catheterization;Nusbaum;Ann. Surg.,1969
3. The preoperative radiographic demonstration of intra-abdominal bleeding from undetermined sites by percutaneous selective celiac and superior mesenteric arteriography;Baum;Surgery,1965
4. Surgical management of gastrointestinal hemorrhage from an undetermined source;Appleman;Mayo Clin. Proc.,1965
5. Fatal gastrointestinal hemorrhage — clinical pathologic correlations in 101 patients;Chalmer;Amer. J. Clin. Pathol.,1952