1. Primary tumors of the esophagus other than squamous cell carcinoma: Histologic classification and statistics in the surgical and autopsied materials in Japan;Suzuki;Int Adv Surg Oncol,1980
2. Benign tumor of the esophagus;Moersch;Ann Otol,1944
3. Benign tumor of the esophagus;Boyd;Ann Surg,1954
4. Benign tumors of the esophagus. Review of literature and of 99 cases;Plachta;Am J Gastroenterol,1962