1. Malignancy in scars, chronic ulcers and sinuses;Cruickshank;J Clin Pathol,1963
2. Tumours of the skin;Mackie,1986
3. Andrews diseases of the skin;Domonkos,1982
4. Histopathology of the skin;Lever,1975
5. Burn scar malignancy in a possible depressed immunological setting;Castillo,1968