1. Agricultural Research Service (1999). USDA's 1994–96 continuing survey of food intakes by individuals. Beltsville, MD, US Dept. of Agriculture.
2. Treatment of symptomatic benign prostatic hyperplasia with β-sitosterol;Berges;British Journal of Urology,2000
3. Beyer, P. & Potrykus, I. (2000) Method for improving the agronomic and nutritional value of plants. Greenovation Pflanzenbiotechnologie GMBH, Freiburg, Germany, 48p, WO patent 00/53768
4. Pasteur's quadrant and malnutrition;Blackburn;Nature,2001
5. Borowy-Borowski, H., Sikorska-Walker, M. & Walker, P. R. (2000), Water-soluble compositions of bioactive lipophilic compounds. National Research Council of Canada, Ottawa, Canada, 19p, USA patent 6,045,826