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Effect of sun exposure versus oral vitamin D supplementation on serum 25-hydroxyvitamin D concentrations in young adults: A randomized clinical trial - ScienceDirect
The power of vitamin D: What experts already know (and are still learning) about the 'sunshine vitamin' - UTHealth News - UTHealth
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Effect of sun exposure versus oral vitamin D supplementation on serum 25-hydroxyvitamin D concentrations in young adults: A randomized clinical trial - ScienceDirect
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Medicina | Free Full-Text | Bioavailability of Different Vitamin D Oral Supplements in Laboratory Animal Model
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