1. 4 RJ Barr, LE Golitz, and A Siongco . Sclerotic dermatofibrosarcoma protuberans-a lesion which may be confused with sclerotic fibroma . In: 34th Annual Meeting, American Society of Dermatopathology, San Francisco, California, 18-20 March, 1997 (Abstr.).
2. Sclerosing dermatofibrosarcoma protuberans