1. Paffenbarger GC, Ruppe NW. Dental materials. In: Grayson M, editor. Kirk-Othemer encyclopedia of chemical technology, vol. 7, 3rd edition. New York: Wiley, 1979. p. 463–94, 498–99.
2. Biologic properties of eugenol and zinc oxide-eugenol;Markowitz;Ora Surg Oral Med Oral Pathol,1992
3. Evaluation of carcinogenic risk of chemicals to humans. IARC Monograph, Lyon, France, vol. 36, 1985. p. 75–97.
4. FAO/WHO Expert Committee on Food Additives: evaluation of certain food additives and contaminants. WHO Technical Report Series, vol. 683, 1982. p. 20.
5. Monographs on fragrance and raw materials;Opdyke;Food Cosmet Toxicol,1975