@article{gheysen2018-29973193,
  author  = {Gheysen, F. and Poppe, L. and DeSmet, A. and Swinnen, S. and Cardon, G. and De Bourdeaudhuij, I. and Chastin, S. and Fias, W.},
  title   = {{Physical activity to improve cognition in older adults: can physical activity programs enriched with cognitive challenges enhance the effects? A systematic review and meta-analysis}},
  journal = {The international journal of behavioral nutrition and physical activity},
  year    = {2018},
  doi     = {10.1186/s12966-018-0697-x},
  pmid    = {29973193},
  url     = {https://doi.org/10.1186/s12966-018-0697-x}
}