Vitamin D supplementation to patients with frequent respiratory tract infections: a post hoc analysis of a randomized and placebo-controlled trial
Crossref DOI link: https://0-doi-org.brum.beds.ac.uk/10.1186/s13104-015-1378-3
Published Online: 2015-08-30
Published Print: 2015-12
Update policy: https://0-doi-org.brum.beds.ac.uk/10.1007/springer_crossmark_policy
Bergman, Peter
Norlin, Anna-Carin
Hansen, Susanne
Björkhem-Bergman, Linda