References

1.  "Essential Oils in Toothpaste".  Steven Pearce. 

       http://www.cotpubco.demon.co.uk/cosweb/teeth.html

        (16 April 2000).

2.  "Vanillin". Nutritional Encyclopedia.

        http://www.phys.com/b_nutrition/03encyclopedia/02terms/v/vanillin.html

        (12 April 2000).

3.  "Flavoring". Nutritional Encyclopedia.

         http://www.phys.com/b_nutrition/03encyclopedia/02terms/f/flavorin.html

         (28 April 2000).

4.  "Vanilla".  

        http://www.fwkc.com/encyclopedia/low/articles/v/v027000093f.html

        (23 April 2000).

5.  "The Spices of Life". Rogov's Ramblings: A Pot-Pourri of Information and Definitions.

    http://www.stratsplace.com/rogov/spices_of_life.html

            (24 April 2000).