1. Atlas of the gross and microscopic features;Ackerman,1988
2. Diffuse melanosis secondary to metastatic malignant melanoma;Adrian;J Am Acad Dermatol,1981
3. Relationship between Bowen's disease and internal malignant tumors;Anderson;Arch Dermatol,1973
4. Skin manifestations associated with tumours of the brain;Andreev;Br J Dermatol,1975
5. Sarcomas of bone and soft tissue;Antman,1991