@article{marioni2015-26499254,
  author  = {Marioni, R. E. and Proust-Lima, C. and Amieva, H. and Brayne, C. and Matthews, F. E. and Dartigues, J. F. and Jacqmin-Gadda, H.},
  title   = {{Social activity, cognitive decline and dementia risk: a 20-year prospective cohort study}},
  journal = {BMC public health},
  year    = {2015},
  doi     = {10.1186/s12889-015-2426-6},
  pmid    = {26499254},
  url     = {https://doi.org/10.1186/s12889-015-2426-6}
}