1. Castiglioni A. A history of medicine. 2nd ed. New York: Knopf, 1947.
2. Withington ET, Jones WHS (eds). Hippocrates’ works (with English translation). London: W. Heinemann, 1927.
3. Dingman RO, Natwig P. Surgery of facial fractures. London: W. B. Saunders Co, 1969.
4. Fonseca RJ, Walker RV, Betts NJ, Barber HD, Powers MP (eds). MP Oral and maxillofacial trauma. Vol. 2, 2nd ed. London: W. B. Saunders Co, 1997.
5. Thoma KH. Oral surgery. 2nd ed. U.S.A.: The C. V. Mosby Co, 1952.