1. World Health Organization classification of tumors. Pathology and genetics. Tumors of the lung, pleura, thymus and heart;Travis,2004
2. Thymoma. A clinicopathologic study;Bernatz;J Thorac Cardiovasc Surg,1961
3. Pathological and clinical features in 80 cases of thymoma;Lattes;Bull N Y Acad Med,1957
4. Thymoma: factors influencing prognosis;Bernatz;Surg Clin North Am,1973
5. Follow-up study of thymomas with special reference to their clinical stages;Masaoka;Cancer,1981