1. 1. SJ Hajdu . Pathology of Soft Tissue Tumors . Philadelphia: Lea & Febiger, 1979 :376 -425 .
2. 2. WF Lever, and G Schaumburg-Lever . Histopathology of the Skin . Philadelphia: JB Lippincott, 1990 :708 -711 .
3. 3. FM Enzinger, and SW Weiss . Soft Tissue Tumors. St . Louis, MO: CV Mosby, 1988 :545 -557 .
4. MALIGNANT ANGIOENDOTHELIOMA OF THE SKIN
5. Lymphangiosarcomas of the scalp