1. Angiosarcoma of the gingiva: report of case;Albriht;J. Oral Surg.,1970
2. Somatic tissue tumors in the head and neck;Arena;Trans. Acad. Ophthalmol. Otolarygol.,1962
3. Hemangiosarcoma of the mandible (metastatic?) Ann;Berger;Dent.,1942
4. Angiosarcoma;Blake;Oral Surg.,1956
5. Textbook of histology;Bloom,1969