Supplementation with oral vitamin D3 and calcium during winter prevents seasonal bone loss: a randomized controlled open-label prospective trial.
J Bone Miner Res. 2004 Aug;19(8):1221-30. doi: 10.1359/JBMR.040511. Epub 2004 May 24.
J Bone Miner Res. 2004.
PMID: 15231008
Free article.
Clinical Trial.