1. The United States Pharmacopeia, 17th revision, 1965 , p 250.
2. Dobbs, E.C.: Pharmacology and Oral Therapeutics, 1 2th ed, St. Louis: The C. V. Mosby Co., 1961, p 448.
3. Francis, L.E. and Wood, D.R.: Dental Pharmacology and Therapeutics, Philadelphia : W. B. Saunders Co., 1961, p 53.
4. Toxicity of Eugenol: Determination of LD50 on Rats.