1. Fechner RE, Mills SE (1993) Tumors of the bones and joints. Atlas of tumor pathology. Armed Forces Institute of Pathology Washington DC 1993
2. Dorfman HD, Czerniac B (1998) Bone tumors. Mosby, St. Louis 1998
3. Unni KK (1996) Dahlin’s bone tumors. General aspects and data on 11,087 cases. Lippincott Raven, Philadelphia 1996
4. Schmorl G, Junghanns H (1959) The human spine in health and disease. Grune & Stratton, New York 1959
5. Enjolras O, Mulliken JB (1997) Vascular tumors and vascular malformations (new issues). Adv Dermatol 13:375–423