The Journal of Clinical Endocrinology & Metabolism · 2020 · 22 citations · 38 references
Calculated free and bioavailable 25(OH)D do not appear to be superior to total 25(OH)D in predicting indices of bone health in an elderly population.
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A. Catharine Ross, JoAnn E. Manson, Steven A. Abrams et al. · The Journal of Clinical Endocrinology & Metabolism · 2010 · 4K citations · Full text