Schweigert FJ, Baumane A, Buchholz I, Schoon HA (2000) Plasma and tissue concentrations of ß-carotene and vitamin A in rats fed ß-carotene in various fats of plant and animal origin. J Environm Pathol Toxicol Oncol 19, 87-93
Schweigert FJ, Baumane A, Leo M, Wahren H, Gürtler H (2000) The effect of an iron supplementation on plasma levels of the vitamins A, E and C in piglets. Livestock Prod Sci 63, 297-302
Schweigert FJ, Bok V (2000) Vitamin A in blood plasma and urine of dogs is affected by the dietary level of vitamin A. Int J Vit Nutr Res 70, 84-91
Schweigert FJ, Hurtienne A, Bathe K (2000) Improved extraction procedure for carotenoids from human milk. Int J Vit Nutr Res 70, 79-83
Raila J, Buchholz I, Aupperle H, Raila G, Schoon HA, Schweigert FJ (2000) The distribution of vitamin A and retinol-binding protein (RBP) in the blood plasma, urine, liver and kidneys of carnivores. Vet Res 31, 541-551
Gürtler H, Schweigert FJ (2000) Physiologie der Laktation. In: Physiologie der Haustiere. Hrsg: W v. Engelhardt & Breves G.; Enke Verlag, 572 – 593.
Schweigert FJ (2000) Vitamine. In: Physiologie der Haustiere. Hrsg.: W v. Engelhardt & Breves G.; Enke Verlag, 594-605.
Schweigert FJ (2000) Beiträge (Physiologie und Ernährungsphysiologie) zum Wörterbuch der Veterinärmedizin Hrsg.: Wiesner H. und Ribbeck, R.; Fischer Verlag
