Vitamin D supplementation improves well-being in patients with frequent respiratory tract infections: a post hoc analysis of a randomized, placebo-controlled trial
Crossref DOI link: https://doi.org/10.1186/s13104-015-1504-2
Published Online: 2015-09-29
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Bergman, Peter
Norlin, Anna-Carin
Hansen, Susanne
Björkhem-Bergman, Linda