1. Malignant melanoma developing in a tattoo;Kirsch;Archives of Dermatology,1969
2. Squamous cell carcinoma arising in a tattoo;McQuarrie;Minnesota Medicine,1966
3. The medical hazards of tattooing;Scutt;British Journal of Hospital Medicine,1972
4. Superficial melanoma in a tattoo;Wolfort;British Journal of Plastic Surgery,1974