1. Alimentary tract cancer—the esophagus;Moertel,1982
2. Le diagnostic au stade “preecoce” du carcinome epidermoide de l’oesophage;Monnier;Med Hygiene,1981
3. Analysis of the records of 1,657 patients with carcinoma of the esophagus and cardia of the stomach;Gunnlaugsson;Surg Gynecol Obstet,1970
4. Chengchow, Honan: Pathology of early esophageal squamous cell carcinoma;Chin Med J,1977
5. Diagnosis and surgical treatment of early esophageal carcinoma;Huang Guojun;Chin Med J,1981