Publications: Simon T., Barkin, J.S., Casal, G., Stollman, N., Rogers, A., Barium Coated Marshmallow VS Barium Tablet for Evaluating Patients With Dysphagia. Prospective study (In progress.) Simon, T., Barkin, J.S. Colonoscopy Evaluations: Justification by Cost? World Literature Review, AM J Gastroenterol 1996; 91(3) 614-615. Cappell, M.S., Simon, T. Colonic Toxicity of Administered Medications and Chemicals. AM J Gastroenterol 1993; 88(1) 1684-1669. Cappell, M.S., Simon, T. Fulminant Acute Colitis Following a Self Administered Hydrofluoric Acid AM J Gastroenterol 1993; 88(1) 122-126. Simon, T., Forester, G. Fatal Peitoneal Hemorrhage After Insertion of a Denver Peritoneovenous Shunt. (Abstract) AM J Gastroenterol 1992; 87 (9) 1307.