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Wingate KE, Jacobson K, Issenman R, Carroll M, Barker C, Israel D, Brill H, Weiler H, Barr SI, Li W, Lyon MR, Green TJ. 25-Hydroxyvitamin D Concentrations in Children with Crohn's Disease Supplemented with Either 2000 or 400 IU Daily for 6 Months: A Randomized Controlled Study. The Journal of Pediatrics. 2014 Apr;164(4):860–5. doi: 10.1016/j.jpeds.2013.11.071. |