1. Enzinger MF, Weiss WS. Primitive Neuroectodermal Tumors and Related Lesions. In: Enzienger MF, Weiss WS, editors. Soft Tissue Tumors. 3rd ed. USA: Mosby, 1995; 928-64
2. MRI in Thoracic Diseases. In: Potchen EJ, Graninger RG, Greene R, editors;Sostman;Pulmonary Radiology by Members of Fleischner Society. Pennsylvania WB Saunders,1993
3. Primary Mediastinal tomors;Heimburger;J Thoracic Cardiovasc Surg,1965
4. Rubush JL, Gardner IR, Boyd WC, Ehrenhaft JL. Mediastinal Tumors Review of 186 Cases. J Thorac Cardiovasc Surg, 1973; 65: 216-22
5. Adrenal tumors. In: Peckham M, Pinedo H, Veronesi U, editors. Oxford Textbook of Oncology;Grossman;London: Oxford University Press,1995