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International Journal for Vitamin and Nutrition Research. Internationale Zeitschrift Fur Vitamin- Und Ernahrungsforschung. Journal International De Vitaminologie Et De Nutrition|August 26, 1998
Effect of age on the levels of retinol and retinyl esters in blood plasma, liver and kidney of dogsF J Schweigert, I Buchholz, K BonitzFood Chemistry|December 3, 2014
Comparison of three spectrophotometric methods for analysis of egg yolk carotenoidsK M S Islam, F J SchweigertJournal of Veterinary Medicine. A, Physiology, Pathology, Clinical Medicine|November 25, 2003
Levels of retinol and retinyl esters in plasma and urine of dogs with urolithiasisJ Raila, S Forterre, F J SchweigertVeterinary Research Communications|April 30, 2003
Immunochemical localization of megalin, retinol-binding protein and Tamm-Horsfall glycoprotein in the kidneys of dogsJ Raila, U Neumann, F J SchweigertInternational Journal for Vitamin and Nutrition Research. Internationale Zeitschrift Fur Vitamin- Und Ernahrungsforschung. Journal International De Vitaminologie Et De Nutrition|January 1, 1991
Vitamin A in the urine of carnivoresF J Schweigert, E Thomann, H ZuckerZentralblatt Fur Veterinarmedizin. Reihe A|September 1, 1990
Effect of feeding on vitamin A concentrations in blood plasma of dogsF J Schweigert, S Uehlein-Harrell, H ZuckerInternational Journal for Vitamin and Nutrition Research. Internationale Zeitschrift Fur Vitamin- Und Ernahrungsforschung. Journal International De Vitaminologie Et De Nutrition|January 1, 1987
Vitamin A status in the grey seal (Halichoerus grypus) on Sable IslandF J Schweigert, W T Stobo, H ZuckerBiology of Reproduction|September 24, 1999
Distribution of vitamin A, retinol-binding protein, cellular retinoic acid-binding protein I, and retinoid X receptor beta in the porcine uterus during early gestationF J Schweigert, K Bonitz, C Siegling, et al.Reproduction, Nutrition, Development|May 23, 2001
Effect of dietary beta-carotene on the accumulation of beta-carotene and vitamin A in plasma and tissues of giltsF J Schweigert, I Buchholz, A Schuhmacher, et al.Journal of Veterinary Internal Medicine|November 19, 2011
Quantitative and qualitative urine protein excretion in dogs with severe inflammatory response syndromeH Schaefer, B Kohn, F J Schweigert, et al.Pageof 6