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CONTEXT In humans, few studies have compared the potencies of ergocalciferol and cholecalciferol in improving and maintaining vitamin D status. OBJECTIVE Our objective was to evaluate the effects(More)
CONTEXT Effects of vitamin D repletion in young people with low vitamin D status have not been investigated so far. OBJECTIVE We evaluated the effect of a single massive dose of cholecalciferol on(More)
CONTEXT We previously showed that a single high dose of oral (po) cholecalciferol (D₃) sharply increases serum 25-hydroxyvitamin D [25(OH)D]. OBJECTIVE We evaluated the long-term bioavailability(More)