@article{olsson2017-28202477,
  author  = {Olsson, E. and Byberg, L. and Karlström, B. and Cederholm, T. and Melhus, H. and Sjögren, P. and Kilander, L.},
  title   = {{Vitamin D is not associated with incident dementia or cognitive impairment: an 18-y follow-up study in community-living old men}},
  journal = {The American journal of clinical nutrition},
  year    = {2017},
  doi     = {10.3945/ajcn.116.141531},
  pmid    = {28202477},
  url     = {https://doi.org/10.3945/ajcn.116.141531}
}