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Low Vitamin D Levels and Low Vit D in Parathyroid Disease and Hyperparathyroidism. Low Vitamin D Is Not Good For You!
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91% Have Low Vitamin D Levels in UK Cohort, 34% Severely Deficient; Efavirenz use is associated with severe Vitamin D deficiency in a large, ethnically diverse, urban UK HIV cohort
Vitamin D deficiency: Unusual symptoms that warn of low levels of this vitamin in the body | The Times of India
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