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The American Journal of Clinical Nutrition|July 1, 1976
Folate levels among various populations in central IranR M Russell, F Ismail-Beigi, K Alfrasiabi, et al.
Journal of Lipid Research|March 1, 1996
In vivo biosynthesis of retinoic acid from beta-carotene involves and excentric cleavage pathway in ferret intestineX Hébuterne, X D Wang, D E Smith, et al.
The Journal of Nutrition|April 1, 1989
Dietary beta-carotene absorption and metabolism in ferrets and ratsJ D Ribaya-Mercado, S C Holmgren, J G Fox, et al.
Journal of the American College of Nutrition|February 1, 1994
High concentrations of vitamin A esters circulate primarily as retinyl stearate and are stored primarily as retinyl palmitate in ferret tissuesJ D Ribaya-Mercado, M C Blanco, J G Fox, et al.
The American Journal of Clinical Nutrition|May 3, 2001
Serum retinyl esters are not associated with biochemical markers of liver dysfunction in adult participants in the third National Health and Nutrition Examination Survey (NHANES III), 1988--1994C Ballew, B A Bowman, R M Russell, et al.
Zeitschrift Fur Gastroenterologie|September 15, 2001
Age and bioavailability of alcoholC M Oneta, M Pedrosa, S Rüttimann, et al.
The American Journal of Clinical Nutrition|August 1, 1981
The interrelationship of thyroid hormones with vitamin A and zinc nutritional status in patients with chronic hepatic and gastrointestinal disordersJ E Morley, R M Russell, A Reed, et al.
Journal of Lipid Research|June 1, 1995
Intestinal absorption and metabolism of 9-cis-beta-carotene in vivo: biosynthesis of 9-cis-retinoic acidX Hébuterne, X D Wang, E J Johnson, et al.
Current Eye Research|November 7, 1999
Fat-soluble nutrient concentrations in different layers of human cataractous lensK J Yeum, F M Shang, W M Schalch, et al.
The Journal of Nutrition|July 1, 1990
Test-retest reproducibility of the relative dose response for vitamin A status in Guatemalan adults: issues of diagnostic specificityF D Morrow, A M Guerrero, R M Russell, et al.
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