References
1) Evans HL. Desmoplastic fibroblastoma. A report of seven cases. The American journal of surgical pathology. 1995 Sep 1;19(9):1077-81.
2) Nielsen GP, O’Connell JX, Dickersin GR, Rosenberg AE. Collagenous fibroma (desmoplastic fibroblastoma): a report of seven cases. Modern pathology: an official journal of the United States and Canadian Academy of Pathology, Inc. 1996 Jul 1;9(7):781-5.