Vitamin D and health: the need for more randomized controlled trials
The Journal of Steroid Biochemistry and Molecular Biology (2015) - Comments
pubmed: 25636723  doi: 10.1016/j.jsbmb.2015.01.021  issn: 1879-1220  issn: 0960-0760 

Rolf Jorde, Guri Grimnes