2) Cohen, J.: Simple bone cysts. Studies of cyst fluid in six cases with a theory of pathogenesis. J. Bone Joirt Surg. 42-A: 609-616, 1960.
3) Navey, W., Guat-Chen, F., Gordon, D., Meghji, S., Evans, A. and Narris M.: Evidence for fibroblasts as for major source of prostacyclin and prostaglandin synthesis in dental cyst in man. Archs. Oral Biol. 29: 223-229, 1984.
4) Klein, D. C. and Raisz, L. G.: Prostaglandins: Stimulation of bone resorption in tissue culture. Endocrinol. 86: 1436-1440, 1970.