Obesity Decreases Hepatic 25-Hydroxylase Activity Causing Low Serum 25-Hydroxyvitamin D. J Bone Miner Res. 2019 Feb 21:e3686.
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Supplements of 20 microg/d cholecalciferol optimized serum 25-hydroxyvitamin D concentrations in 80% of premenopausal women in winter., J Nutr 139: 540-6
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Direct comparison of sustained infusion of human parathyroid hormone-related protein-(1-36) [hPTHrP-(1-36)] versus hPTH-(1-34) on serum calcium, plasma 1,25-dihydroxyvitamin D concentrations, and fractional calcium excretion in healthy human voluntee, J Clin Endocrinol Metab 88: 1603-9
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Hypovitaminosis D prevalence and determinants among African American and white women of reproductive age: third National Health and Nutrition Examination Survey, 1988-1994., Am J Clin Nutr 76: 187-92
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Plasma 1,25-dihydroxy- and 25-hydroxyvitamin D and adenomatous polyps of the distal colorectum., Cancer Epidemiol Biomarkers Prev 9: 1059-65
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d-Alpha-tocopheryl polyethylene glycol-1000 succinate enhances the absorption of vitamin D in chronic cholestatic liver disease of infancy and childhood., Pediatr Res 31: 146-50
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Evaluation of the total fetomaternal vitamin D relationships at term: evidence for racial differences., J Clin Endocrinol Metab 59: 652-7
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Comparison of equilibrium and disequilibrium assay conditions for ergocalciferol, cholecalciferol and their major metabolites., J Steroid Biochem 21: 81-6
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A microassay for 1,25-dihydroxyvitamin D not requiring high performance liquid chromatography: application to clinical studies., J Clin Endocrinol Metab 58: 91-8
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25,26-dihydroxyvitamin D3 is not a major intermediate in 25-hydroxyvitamin D3-26,23-lactone formation., Arch Biochem Biophys 212: 754-8
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