1. Rosai J, Levine GD. Tumors of the thymus. In: Atlas of tumor pathology. 2nd series, Fascicle 13. Washington, DC: Armed Forces Institute of Pathology; 1976.
2. Shimosato Y, Mukai K. Tumors of the mediastinum. In: Atlas of tumor pathology, 3rd series, Fascicle 21. Washington, DC: Armed Forces Institute of Pathology; 1997.
3. Rosai J, Sobin LH. Histological typing of tumours of the thymus. In: International histological classification of tumours, 2nd edition. Berlin: Springer; 1999.
4. Detterbeck FC. Clinical value of the WHO classification system of thymoma. Ann Thorac Surg 2006;81:2328–2334.
5. World Health Organization Classification of Tumors. Pathology and genetics of tumors of the lung, pleura, thymus and heart. Lyon: International Agency for Research on Cancer (IARC) Press; 2004.