1. Rolla, G., A. A. Schele, and S. Assev (1987) Plaque formation and plaque inhibition.Dutsch. Zahnarztl. 42: 39–41.
2. Van Eys, J., Y. M. Wang, S. Chan, S. Tanphaichitr, and S. M. King (1974) Sugar in nutrition: Xylitol as a therapeutic agent in glucose-6 phosphate dehydrogenase deficiency, 8 ed, pp. 613–631 In: H. L. Sipple and K. W. McNatt (eds.). Academic Press, New York, USA.
3. Pepper, T. and P. M. Olinger (1988) Xylitol in sugar-free confections.Food Technol. 42: 98–106.
4. FAO (1999) Food and agriculture organization of the United Nations,FAO production yearbook 1999.
5. Winkelhausen, E. and S. Kuzmanova (1998) Microbial conversion of D-xylose to xylitol.J. Ferment. Bioeng. 86: 1–14.