1. Antioxidant vitamins and β-carotene in disease prevention,1991
2. Determination of individual carotenoids in human plasma by high performance liquid chromatography;Bieri;J. Liquid Chromat.,1985
3. Plasma carotenoids in normal men after a single ingestion of vegetables or purified β-carotene;Brown;Am. J. Clin. Nutr.,1989
4. β-Carotene: an unusual type of lipid antioxidant;Burton;Science,1984
5. Epler, K. S., Sander, L. C., Wise, S. A., Ziegler, R. A. & Craft, N. E. Evaluation of various reversed phase L.C. columns for recovery and selectivity of selected carotenoids. J. Chromat. (in press).