1. Tumours of tendon and tendon sheaths
2. Fibroma of tendon sheath.
3. Geshickter CF, Copeland MM: Tumors of the Bone, ed 3. Philadelphia, Lippincott, 1949, p 693
4. McKee PH: Pathology of the Skin: With Clinical Correlations, ed 2. London, Mosby-Wolfe, 1996, pp 16. 716. 82