1. Histological Typing of Esophageal and Gastric Tumors;Watanabe,1990
2. Histological Typing of Intestinal Tumors;Jass,1989
3. Tumors of the esophagus and stomach;Lewin,1996
4. Gastric stromal stromal tumors: Reappraisal of histogenesis;Mazur;Am J Surg Pathol,1983
5. Ackerman's Surgical Pathology;Rosai,1995