1. Tanimura S, Higashino M, et al. A case of adenosquamous cell carcinoma of the stomach with extramural growth (in Japanese with English abstract). Nippon Rinshogeka Igakukai Zasshi (J Jpn Soc Clin Surg) 1991;52:383?388.
2. Ruck P, Wehrmann M, Campbell M, et al. Squamous cell carcinoma of the gastric stump. A case report and review of the literature. Am J Surg Pathol 1989; 13:317?324.
3. Mori M, Fukuda T, Enjoji M. Adenosquamous carcinoma of the stomach. Histogenetic and ultrastructural studies. Gastroenterology 1987;92:1078?1082.
4. Altshuler JH, Shaka JA. Squamous cell carcinoma of the stomach. Review of the literature and report of a case. Cancer 1966:19:831?838.
5. Japanese Research Society for Gastric Cancer. The general rules for gastric cancer study in surgery and pathology. Part I. Clinical classification. Jpn J Surg 1981:11:127?139. Part II. Histological classification of gastric cancer. Jpn J Surg 1981:11: 140?145.