1. Haffejee AA, Angorn IB. Nutritional status and the nonspecific cellular and humoral immune response in esophageal carcinoma. Ann Surg 1979; 189: 475–479.
2. Lozac’H P, Corbeau P, Zabbe C, Charles JF, Youinou P. Peripheral blood and tumor-infiltrating mononuclear cell analysis in esophagus and head and neck cancer. Med Oncol Tumor Pharmacother 1987; 4: 7–108.
3. Oka M. Immunological studies on esophageal cancer— Cellular immunocompetence and histological responses in main tumor and regional lymph nodes in esophageal cancer patients— Arch Jpn Chir 1981; 50: 29–44.
4. Takiyama W, Toge T, Yanagawa E, Hirai T, Miyoshi Y. Hattori T. Clinical studies on cell mediated immunity of the patients with thoracic esophageal cancer. Nippon Kyobu Geka Gakkai Zasshi (J Jpn Assoc Thorac Surg) 1982; 30: 1428–1433. (in Japanese)
5. Kodama M, Shibata J, Kubo U, Terada N, Matsumoto M, Yamagishi H, Tanaka T, Hashimoto I. Immunological problems in treatments of the esophageal cancer. Nippon Shokaki Geka Gakkai Zasshi (Jpn Gastroenterol Surg) 1980; 13: 382–388. (in Japanese)