1. Cutaneous angiosarcoma;Girard;Cancer,1970
2. Tumors and tumorous condition of the bone and joints;Jaffe,1968
3. Malignant hemangioendothelioma (angiosarcoma);Calhoun;Oral Surg,1969
4. Benign hemangiopericytoma of the tongue;Orlian;J Oral Surg,1973
5. Tumors of the soft tissue;Stout,1967