1. 1) Thoma, K.H.: Oral surgery Ⅱ, 5th Ed, Mosby Co, St Louis, pp. 665-669, 1969.
2. 2) Shafer, W.G., Hins, M.K. and Levy, B.M.: A textbook of oral pathology, 3rd Ed, WB Saunders Co, Philadclphia, p. 657, 1974.
3. 3) Gorlin, R.J. and Goldman, H.M.: Thoma’s oral pathology Ⅱ, 6th Ed, Mosby Co, St Louis, p. 585, 1970.
4. 4) Bell, K.A., Heffez, L.B., Laskin, D.M., et al.: Magnetic resonance of the temporomandibular joint, 1st Ed, Thieme Medical Publishers, New York, p. 125, 1990.
5. 5) Markowitz, H.A. and Gerry, R.G.: Temporomandibular joint disease(concluded). Oral Surg, 3:75-117, 1950.