A comparison of analytical methods for measuring concentrations of 25-hydroxy vitamin D in biological samples - Analytical Methods (RSC Publishing)
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COVID-19 mortality risk correlates inversely with vitamin D3 status, and a mortality rate close to zero could theoretically be achieved at 50 ng/ml 25( OH)D3: Results of a systematic review and meta-analysis
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25-Hydroxycholecalciferol is most effective in raising serum 25-hydroxyvitamin D - American Society for Nutrition
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Using gas chromatography and mass spectrometry to determine 25-hydroxyvitamin D levels for clinical assessment of vitamin D deficiency - ScienceDirect
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anti-25-OH Vitamin D3 Chimeric Human, Rabbit Monoclonal (RMH04) - AdipoGen Life Sciences - RevMAb Antibodies
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