Does vitamin D supplementation improve bone density in vitamin D-deficient children? Protocol for an individual patient data meta-analysis.
Tania M WinzenbergChristel Lamberg-AllardtGhada El-Hajj FuleihanChristian MølgaardKun ZhuFeitong WuRichard D RileyPublished in: BMJ open (2018)
CRD42017068772.