@article{higgins2003-12917896,
  author  = {Higgins, J. P. and Flicker, L.},
  title   = {{Lecithin for dementia and cognitive impairment}},
  journal = {The Cochrane database of systematic reviews},
  year    = {2003},
  doi     = {10.1002/14651858.cd001015},
  pmid    = {12917896},
  url     = {https://doi.org/10.1002/14651858.cd001015}
}