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Vitamin D: 13 ng/mL
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Using gas chromatography and mass spectrometry to determine 25-hydroxyvitamin D levels for clinical assessment of vitamin D deficiency - ScienceDirect
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
MassCheck® 25-OH-Vitamin D3/D2 Serum Controls
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Frontiers | Immunomodulatory Effects of Vitamin D in Pregnancy and Beyond
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IJMS | Free Full-Text | Epimers of Vitamin D: A Review
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Sulfation of vitamin D3‐related compounds—identification and characterization of the responsible human cytosolic sulfotransferases - Kurogi - 2017 - FEBS Letters - Wiley Online Library
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Chemical structures of vitamin D 3 , D 2 , 25(OH)D and 1,25(OH) 2 D.... | Download Scientific Diagram